Home / 981,463.85-1,472,196.28-307,597.63

Finding the Fourth Proportional to 981,463.85, 1,472,196.28 and 307,597.63

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Solution

The fourth proportional to 981,463.85, 1,472,196.28 and 307,597.63 is: 461,396.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,463.85 : 1,472,196.28 = 307,597.63 : x
  2. Step 2: Convert to fraction form
    981,463.85/1,472,196.28 = 307,597.63/x
  3. Step 3: Cross multiply
    981,463.85x = 1,472,196.28 × 307,597.63
  4. Step 4: Simplify right side
    981,463.85x = 452,844,085,084.83
  5. Step 5: Solve for x
    x = 452,844,085,084.83/981,463.85
  6. Step 6: Final answer
    x = 461,396.60

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Double scale
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Similar ratio
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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.