Home / 906,543.76-1,251,061.08-498,675.92

Finding the Fourth Proportional to 906,543.76, 1,251,061.08 and 498,675.92

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Solution

The fourth proportional to 906,543.76, 1,251,061.08 and 498,675.92 is: 688,189.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,543.76 : 1,251,061.08 = 498,675.92 : x
  2. Step 2: Convert to fraction form
    906,543.76/1,251,061.08 = 498,675.92/x
  3. Step 3: Cross multiply
    906,543.76x = 1,251,061.08 × 498,675.92
  4. Step 4: Simplify right side
    906,543.76x = 623,874,035,045.19
  5. Step 5: Solve for x
    x = 623,874,035,045.19/906,543.76
  6. Step 6: Final answer
    x = 688,189.65

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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.