Home / 749,215.47-1,123,636.14-293,899.25

Finding the Fourth Proportional to 749,215.47, 1,123,636.14 and 293,899.25

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Solution

The fourth proportional to 749,215.47, 1,123,636.14 and 293,899.25 is: 440,775.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,215.47 : 1,123,636.14 = 293,899.25 : x
  2. Step 2: Convert to fraction form
    749,215.47/1,123,636.14 = 293,899.25/x
  3. Step 3: Cross multiply
    749,215.47x = 1,123,636.14 × 293,899.25
  4. Step 4: Simplify right side
    749,215.47x = 330,235,813,200.71
  5. Step 5: Solve for x
    x = 330,235,813,200.71/749,215.47
  6. Step 6: Final answer
    x = 440,775.49

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Half scale
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Double scale
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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.