Home / 726,259.50-1,002,238.11-408,307.50

Finding the Fourth Proportional to 726,259.50, 1,002,238.11 and 408,307.50

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Solution

The fourth proportional to 726,259.50, 1,002,238.11 and 408,307.50 is: 563,464.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,259.50 : 1,002,238.11 = 408,307.50 : x
  2. Step 2: Convert to fraction form
    726,259.50/1,002,238.11 = 408,307.50/x
  3. Step 3: Cross multiply
    726,259.50x = 1,002,238.11 × 408,307.50
  4. Step 4: Simplify right side
    726,259.50x = 409,221,337,098.83
  5. Step 5: Solve for x
    x = 409,221,337,098.83/726,259.50
  6. Step 6: Final answer
    x = 563,464.35

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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.