Home / 712,973.80-1,069,460.70-239,674.60

Finding the Fourth Proportional to 712,973.80, 1,069,460.70 and 239,674.60

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Solution

The fourth proportional to 712,973.80, 1,069,460.70 and 239,674.60 is: 359,511.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,973.80 : 1,069,460.70 = 239,674.60 : x
  2. Step 2: Convert to fraction form
    712,973.80/1,069,460.70 = 239,674.60/x
  3. Step 3: Cross multiply
    712,973.80x = 1,069,460.70 × 239,674.60
  4. Step 4: Simplify right side
    712,973.80x = 256,322,565,488.22
  5. Step 5: Solve for x
    x = 256,322,565,488.22/712,973.80
  6. Step 6: Final answer
    x = 359,511.90

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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.