Home / 981,281.70-1,471,922.55-508,889.70

Finding the Fourth Proportional to 981,281.70, 1,471,922.55 and 508,889.70

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Solution

The fourth proportional to 981,281.70, 1,471,922.55 and 508,889.70 is: 763,334.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,281.70 : 1,471,922.55 = 508,889.70 : x
  2. Step 2: Convert to fraction form
    981,281.70/1,471,922.55 = 508,889.70/x
  3. Step 3: Cross multiply
    981,281.70x = 1,471,922.55 × 508,889.70
  4. Step 4: Simplify right side
    981,281.70x = 749,046,224,892.74
  5. Step 5: Solve for x
    x = 749,046,224,892.74/981,281.70
  6. Step 6: Final answer
    x = 763,334.55

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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.