Home / 785,565.90-1,084,127.38-591,631.52

Finding the Fourth Proportional to 785,565.90, 1,084,127.38 and 591,631.52

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Solution

The fourth proportional to 785,565.90, 1,084,127.38 and 591,631.52 is: 816,486.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,565.90 : 1,084,127.38 = 591,631.52 : x
  2. Step 2: Convert to fraction form
    785,565.90/1,084,127.38 = 591,631.52/x
  3. Step 3: Cross multiply
    785,565.90x = 1,084,127.38 × 591,631.52
  4. Step 4: Simplify right side
    785,565.90x = 641,403,929,703.02
  5. Step 5: Solve for x
    x = 641,403,929,703.02/785,565.90
  6. Step 6: Final answer
    x = 816,486.47

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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.