Home / 830,780.90-1,246,060.59-231,691.89

Finding the Fourth Proportional to 830,780.90, 1,246,060.59 and 231,691.89

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Solution

The fourth proportional to 830,780.90, 1,246,060.59 and 231,691.89 is: 347,506.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,780.90 : 1,246,060.59 = 231,691.89 : x
  2. Step 2: Convert to fraction form
    830,780.90/1,246,060.59 = 231,691.89/x
  3. Step 3: Cross multiply
    830,780.90x = 1,246,060.59 × 231,691.89
  4. Step 4: Simplify right side
    830,780.90x = 288,702,137,607.13
  5. Step 5: Solve for x
    x = 288,702,137,607.13/830,780.90
  6. Step 6: Final answer
    x = 347,506.95

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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.