Home / 981,303.20-1,471,954.80-508,911.20

Finding the Fourth Proportional to 981,303.20, 1,471,954.80 and 508,911.20

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Solution

The fourth proportional to 981,303.20, 1,471,954.80 and 508,911.20 is: 763,366.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,303.20 : 1,471,954.80 = 508,911.20 : x
  2. Step 2: Convert to fraction form
    981,303.20/1,471,954.80 = 508,911.20/x
  3. Step 3: Cross multiply
    981,303.20x = 1,471,954.80 × 508,911.20
  4. Step 4: Simplify right side
    981,303.20x = 749,094,283,613.76
  5. Step 5: Solve for x
    x = 749,094,283,613.76/981,303.20
  6. Step 6: Final answer
    x = 763,366.80

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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.