Home / 916,762.53-1,264,997.45-508,867.43

Finding the Fourth Proportional to 916,762.53, 1,264,997.45 and 508,867.43

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Solution

The fourth proportional to 916,762.53, 1,264,997.45 and 508,867.43 is: 702,162.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,762.53 : 1,264,997.45 = 508,867.43 : x
  2. Step 2: Convert to fraction form
    916,762.53/1,264,997.45 = 508,867.43/x
  3. Step 3: Cross multiply
    916,762.53x = 1,264,997.45 × 508,867.43
  4. Step 4: Simplify right side
    916,762.53x = 643,715,992,468.73
  5. Step 5: Solve for x
    x = 643,715,992,468.73/916,762.53
  6. Step 6: Final answer
    x = 702,162.20

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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.