Home / 981,821.50-1,472,898.32-502,257.51

Finding the Fourth Proportional to 981,821.50, 1,472,898.32 and 502,257.51

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Solution

The fourth proportional to 981,821.50, 1,472,898.32 and 502,257.51 is: 753,471.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,821.50 : 1,472,898.32 = 502,257.51 : x
  2. Step 2: Convert to fraction form
    981,821.50/1,472,898.32 = 502,257.51/x
  3. Step 3: Cross multiply
    981,821.50x = 1,472,898.32 × 502,257.51
  4. Step 4: Simplify right side
    981,821.50x = 739,774,242,686.38
  5. Step 5: Solve for x
    x = 739,774,242,686.38/981,821.50
  6. Step 6: Final answer
    x = 753,471.22

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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.