Home / 785,521.31-1,176,647.15-499,796.51

Finding the Fourth Proportional to 785,521.31, 1,176,647.15 and 499,796.51

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Solution

The fourth proportional to 785,521.31, 1,176,647.15 and 499,796.51 is: 748,654.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,521.31 : 1,176,647.15 = 499,796.51 : x
  2. Step 2: Convert to fraction form
    785,521.31/1,176,647.15 = 499,796.51/x
  3. Step 3: Cross multiply
    785,521.31x = 1,176,647.15 × 499,796.51
  4. Step 4: Simplify right side
    785,521.31x = 588,084,134,437.70
  5. Step 5: Solve for x
    x = 588,084,134,437.70/785,521.31
  6. Step 6: Final answer
    x = 748,654.59

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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.