Home / 930,272.31-1,283,789.25-522,462.42

Finding the Fourth Proportional to 930,272.31, 1,283,789.25 and 522,462.42

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Solution

The fourth proportional to 930,272.31, 1,283,789.25 and 522,462.42 is: 721,005.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,272.31 : 1,283,789.25 = 522,462.42 : x
  2. Step 2: Convert to fraction form
    930,272.31/1,283,789.25 = 522,462.42/x
  3. Step 3: Cross multiply
    930,272.31x = 1,283,789.25 × 522,462.42
  4. Step 4: Simplify right side
    930,272.31x = 670,731,638,324.99
  5. Step 5: Solve for x
    x = 670,731,638,324.99/930,272.31
  6. Step 6: Final answer
    x = 721,005.70

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Double scale
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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.