Home / 744,424.80-1,027,255.68-404,885.76

Finding the Fourth Proportional to 744,424.80, 1,027,255.68 and 404,885.76

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Solution

The fourth proportional to 744,424.80, 1,027,255.68 and 404,885.76 is: 558,714.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,424.80 : 1,027,255.68 = 404,885.76 : x
  2. Step 2: Convert to fraction form
    744,424.80/1,027,255.68 = 404,885.76/x
  3. Step 3: Cross multiply
    744,424.80x = 1,027,255.68 × 404,885.76
  4. Step 4: Simplify right side
    744,424.80x = 415,921,196,711.12
  5. Step 5: Solve for x
    x = 415,921,196,711.12/744,424.80
  6. Step 6: Final answer
    x = 558,714.86

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1.5x scale

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.