Home / 715,348.96-987,267.38-429,026.56

Finding the Fourth Proportional to 715,348.96, 987,267.38 and 429,026.56

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Solution

The fourth proportional to 715,348.96, 987,267.38 and 429,026.56 is: 592,108.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,348.96 : 987,267.38 = 429,026.56 : x
  2. Step 2: Convert to fraction form
    715,348.96/987,267.38 = 429,026.56/x
  3. Step 3: Cross multiply
    715,348.96x = 987,267.38 × 429,026.56
  4. Step 4: Simplify right side
    715,348.96x = 423,563,927,841.61
  5. Step 5: Solve for x
    x = 423,563,927,841.61/715,348.96
  6. Step 6: Final answer
    x = 592,108.12

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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.