Home / 994,001.47-1,371,641.17-558,395.16

Finding the Fourth Proportional to 994,001.47, 1,371,641.17 and 558,395.16

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Solution

The fourth proportional to 994,001.47, 1,371,641.17 and 558,395.16 is: 770,539.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,001.47 : 1,371,641.17 = 558,395.16 : x
  2. Step 2: Convert to fraction form
    994,001.47/1,371,641.17 = 558,395.16/x
  3. Step 3: Cross multiply
    994,001.47x = 1,371,641.17 × 558,395.16
  4. Step 4: Simplify right side
    994,001.47x = 765,917,790,584.74
  5. Step 5: Solve for x
    x = 765,917,790,584.74/994,001.47
  6. Step 6: Final answer
    x = 770,539.90

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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.