Home / 981,611.84-1,472,374.92-307,677.76

Finding the Fourth Proportional to 981,611.84, 1,472,374.92 and 307,677.76

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Solution

The fourth proportional to 981,611.84, 1,472,374.92 and 307,677.76 is: 461,503.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,611.84 : 1,472,374.92 = 307,677.76 : x
  2. Step 2: Convert to fraction form
    981,611.84/1,472,374.92 = 307,677.76/x
  3. Step 3: Cross multiply
    981,611.84x = 1,472,374.92 × 307,677.76
  4. Step 4: Simplify right side
    981,611.84x = 453,017,020,260.04
  5. Step 5: Solve for x
    x = 453,017,020,260.04/981,611.84
  6. Step 6: Final answer
    x = 461,503.22

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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.