Home / 744,320.72-1,027,429.80-442,514

Finding the Fourth Proportional to 744,320.72, 1,027,429.80 and 442,514

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Solution

The fourth proportional to 744,320.72, 1,027,429.80 and 442,514 is: 610,828.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,320.72 : 1,027,429.80 = 442,514 : x
  2. Step 2: Convert to fraction form
    744,320.72/1,027,429.80 = 442,514/x
  3. Step 3: Cross multiply
    744,320.72x = 1,027,429.80 × 442,514
  4. Step 4: Simplify right side
    744,320.72x = 454,652,070,517.20
  5. Step 5: Solve for x
    x = 454,652,070,517.20/744,320.72
  6. Step 6: Final answer
    x = 610,828.18

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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.