Home / 757,981.72-1,046,008.02-418,442.68

Finding the Fourth Proportional to 757,981.72, 1,046,008.02 and 418,442.68

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Solution

The fourth proportional to 757,981.72, 1,046,008.02 and 418,442.68 is: 577,447.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,981.72 : 1,046,008.02 = 418,442.68 : x
  2. Step 2: Convert to fraction form
    757,981.72/1,046,008.02 = 418,442.68/x
  3. Step 3: Cross multiply
    757,981.72x = 1,046,008.02 × 418,442.68
  4. Step 4: Simplify right side
    757,981.72x = 437,694,399,190.29
  5. Step 5: Solve for x
    x = 437,694,399,190.29/757,981.72
  6. Step 6: Final answer
    x = 577,447.17

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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.