Home / 730,916.22-1,008,686.61-408,639.90

Finding the Fourth Proportional to 730,916.22, 1,008,686.61 and 408,639.90

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Solution

The fourth proportional to 730,916.22, 1,008,686.61 and 408,639.90 is: 563,935.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,916.22 : 1,008,686.61 = 408,639.90 : x
  2. Step 2: Convert to fraction form
    730,916.22/1,008,686.61 = 408,639.90/x
  3. Step 3: Cross multiply
    730,916.22x = 1,008,686.61 × 408,639.90
  4. Step 4: Simplify right side
    730,916.22x = 412,189,595,441.74
  5. Step 5: Solve for x
    x = 412,189,595,441.74/730,916.22
  6. Step 6: Final answer
    x = 563,935.49

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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.