Home / 753,246.72-1,129,944.50-247,602.60

Finding the Fourth Proportional to 753,246.72, 1,129,944.50 and 247,602.60

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Solution

The fourth proportional to 753,246.72, 1,129,944.50 and 247,602.60 is: 371,428.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,246.72 : 1,129,944.50 = 247,602.60 : x
  2. Step 2: Convert to fraction form
    753,246.72/1,129,944.50 = 247,602.60/x
  3. Step 3: Cross multiply
    753,246.72x = 1,129,944.50 × 247,602.60
  4. Step 4: Simplify right side
    753,246.72x = 279,777,194,817.69
  5. Step 5: Solve for x
    x = 279,777,194,817.69/753,246.72
  6. Step 6: Final answer
    x = 371,428.36

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Half scale
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Double scale
Find fourth proportional to 753,247.72, 1,129,946 and 247,603.60
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.