Home / 758,238.90-1,137,042.15-308,654.58

Finding the Fourth Proportional to 758,238.90, 1,137,042.15 and 308,654.58

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Solution

The fourth proportional to 758,238.90, 1,137,042.15 and 308,654.58 is: 462,853.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,238.90 : 1,137,042.15 = 308,654.58 : x
  2. Step 2: Convert to fraction form
    758,238.90/1,137,042.15 = 308,654.58/x
  3. Step 3: Cross multiply
    758,238.90x = 1,137,042.15 × 308,654.58
  4. Step 4: Simplify right side
    758,238.90x = 350,953,267,250.55
  5. Step 5: Solve for x
    x = 350,953,267,250.55/758,238.90
  6. Step 6: Final answer
    x = 462,853.16

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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.