Home / 981,671.42-1,472,525.34-307,737.65

Finding the Fourth Proportional to 981,671.42, 1,472,525.34 and 307,737.65

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Solution

The fourth proportional to 981,671.42, 1,472,525.34 and 307,737.65 is: 461,612.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,671.42 : 1,472,525.34 = 307,737.65 : x
  2. Step 2: Convert to fraction form
    981,671.42/1,472,525.34 = 307,737.65/x
  3. Step 3: Cross multiply
    981,671.42x = 1,472,525.34 × 307,737.65
  4. Step 4: Simplify right side
    981,671.42x = 453,151,480,334.42
  5. Step 5: Solve for x
    x = 453,151,480,334.42/981,671.42
  6. Step 6: Final answer
    x = 461,612.18

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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.