Home / 791,057.11-1,186,641.02-391,590.62

Finding the Fourth Proportional to 791,057.11, 1,186,641.02 and 391,590.62

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Solution

The fourth proportional to 791,057.11, 1,186,641.02 and 391,590.62 is: 587,413.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,057.11 : 1,186,641.02 = 391,590.62 : x
  2. Step 2: Convert to fraction form
    791,057.11/1,186,641.02 = 391,590.62/x
  3. Step 3: Cross multiply
    791,057.11x = 1,186,641.02 × 391,590.62
  4. Step 4: Simplify right side
    791,057.11x = 464,677,495,216.35
  5. Step 5: Solve for x
    x = 464,677,495,216.35/791,057.11
  6. Step 6: Final answer
    x = 587,413.34

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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.