Home / 730,725.71-1,008,332.28-408,428.46

Finding the Fourth Proportional to 730,725.71, 1,008,332.28 and 408,428.46

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Solution

The fourth proportional to 730,725.71, 1,008,332.28 and 408,428.46 is: 563,592.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,725.71 : 1,008,332.28 = 408,428.46 : x
  2. Step 2: Convert to fraction form
    730,725.71/1,008,332.28 = 408,428.46/x
  3. Step 3: Cross multiply
    730,725.71x = 1,008,332.28 × 408,428.46
  4. Step 4: Simplify right side
    730,725.71x = 411,831,600,288.69
  5. Step 5: Solve for x
    x = 411,831,600,288.69/730,725.71
  6. Step 6: Final answer
    x = 563,592.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.