Home / 918,117.92-1,266,902.13-530,874.74

Finding the Fourth Proportional to 918,117.92, 1,266,902.13 and 530,874.74

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Solution

The fourth proportional to 918,117.92, 1,266,902.13 and 530,874.74 is: 732,548.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,117.92 : 1,266,902.13 = 530,874.74 : x
  2. Step 2: Convert to fraction form
    918,117.92/1,266,902.13 = 530,874.74/x
  3. Step 3: Cross multiply
    918,117.92x = 1,266,902.13 × 530,874.74
  4. Step 4: Simplify right side
    918,117.92x = 672,566,336,214.82
  5. Step 5: Solve for x
    x = 672,566,336,214.82/918,117.92
  6. Step 6: Final answer
    x = 732,548.97

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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.