Home / 981,488.46-1,472,232.90-307,569.60

Finding the Fourth Proportional to 981,488.46, 1,472,232.90 and 307,569.60

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Solution

The fourth proportional to 981,488.46, 1,472,232.90 and 307,569.60 is: 461,354.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,488.46 : 1,472,232.90 = 307,569.60 : x
  2. Step 2: Convert to fraction form
    981,488.46/1,472,232.90 = 307,569.60/x
  3. Step 3: Cross multiply
    981,488.46x = 1,472,232.90 × 307,569.60
  4. Step 4: Simplify right side
    981,488.46x = 452,814,084,159.84
  5. Step 5: Solve for x
    x = 452,814,084,159.84/981,488.46
  6. Step 6: Final answer
    x = 461,354.47

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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.