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Finding the Fourth Proportional to 758,404, 1,046,597.52 and 418,894.12

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Solution

The fourth proportional to 758,404, 1,046,597.52 and 418,894.12 is: 578,073.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,404 : 1,046,597.52 = 418,894.12 : x
  2. Step 2: Convert to fraction form
    758,404/1,046,597.52 = 418,894.12/x
  3. Step 3: Cross multiply
    758,404x = 1,046,597.52 × 418,894.12
  4. Step 4: Simplify right side
    758,404x = 438,413,547,134.58
  5. Step 5: Solve for x
    x = 438,413,547,134.58/758,404
  6. Step 6: Final answer
    x = 578,073.89

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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.