Home / 981,680.10-1,473,902.55-608,432.10

Finding the Fourth Proportional to 981,680.10, 1,473,902.55 and 608,432.10

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Solution

The fourth proportional to 981,680.10, 1,473,902.55 and 608,432.10 is: 913,504.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,680.10 : 1,473,902.55 = 608,432.10 : x
  2. Step 2: Convert to fraction form
    981,680.10/1,473,902.55 = 608,432.10/x
  3. Step 3: Cross multiply
    981,680.10x = 1,473,902.55 × 608,432.10
  4. Step 4: Simplify right side
    981,680.10x = 896,769,623,691.86
  5. Step 5: Solve for x
    x = 896,769,623,691.86/981,680.10
  6. Step 6: Final answer
    x = 913,504.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.