Home / 981,521.00-1,354,501.08-551,804.66

Finding the Fourth Proportional to 981,521.00, 1,354,501.08 and 551,804.66

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Solution

The fourth proportional to 981,521.00, 1,354,501.08 and 551,804.66 is: 761,491.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,521.00 : 1,354,501.08 = 551,804.66 : x
  2. Step 2: Convert to fraction form
    981,521.00/1,354,501.08 = 551,804.66/x
  3. Step 3: Cross multiply
    981,521.00x = 1,354,501.08 × 551,804.66
  4. Step 4: Simplify right side
    981,521.00x = 747,420,001,146.53
  5. Step 5: Solve for x
    x = 747,420,001,146.53/981,521.00
  6. Step 6: Final answer
    x = 761,491.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.