Home / 563,384.30-845,920.66-487,716.20

Finding the Fourth Proportional to 563,384.30, 845,920.66 and 487,716.20

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Solution

The fourth proportional to 563,384.30, 845,920.66 and 487,716.20 is: 732,305.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,384.30 : 845,920.66 = 487,716.20 : x
  2. Step 2: Convert to fraction form
    563,384.30/845,920.66 = 487,716.20/x
  3. Step 3: Cross multiply
    563,384.30x = 845,920.66 × 487,716.20
  4. Step 4: Simplify right side
    563,384.30x = 412,569,209,796.69
  5. Step 5: Solve for x
    x = 412,569,209,796.69/563,384.30
  6. Step 6: Final answer
    x = 732,305.13

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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.