Home / 875,538.60-1,208,227.05-493,565.64

Finding the Fourth Proportional to 875,538.60, 1,208,227.05 and 493,565.64

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Solution

The fourth proportional to 875,538.60, 1,208,227.05 and 493,565.64 is: 681,111.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,538.60 : 1,208,227.05 = 493,565.64 : x
  2. Step 2: Convert to fraction form
    875,538.60/1,208,227.05 = 493,565.64/x
  3. Step 3: Cross multiply
    875,538.60x = 1,208,227.05 × 493,565.64
  4. Step 4: Simplify right side
    875,538.60x = 596,339,357,198.56
  5. Step 5: Solve for x
    x = 596,339,357,198.56/875,538.60
  6. Step 6: Final answer
    x = 681,111.44

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Double scale
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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.