Home / 724,943.40-1,087,560.90-607,428.60

Finding the Fourth Proportional to 724,943.40, 1,087,560.90 and 607,428.60

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Solution

The fourth proportional to 724,943.40, 1,087,560.90 and 607,428.60 is: 911,265.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,943.40 : 1,087,560.90 = 607,428.60 : x
  2. Step 2: Convert to fraction form
    724,943.40/1,087,560.90 = 607,428.60/x
  3. Step 3: Cross multiply
    724,943.40x = 1,087,560.90 × 607,428.60
  4. Step 4: Simplify right side
    724,943.40x = 660,615,594,901.74
  5. Step 5: Solve for x
    x = 660,615,594,901.74/724,943.40
  6. Step 6: Final answer
    x = 911,265.07

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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.