Home / 791,056.96-1,186,640.72-391,590.48

Finding the Fourth Proportional to 791,056.96, 1,186,640.72 and 391,590.48

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Solution

The fourth proportional to 791,056.96, 1,186,640.72 and 391,590.48 is: 587,413.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,056.96 : 1,186,640.72 = 391,590.48 : x
  2. Step 2: Convert to fraction form
    791,056.96/1,186,640.72 = 391,590.48/x
  3. Step 3: Cross multiply
    791,056.96x = 1,186,640.72 × 391,590.48
  4. Step 4: Simplify right side
    791,056.96x = 464,677,209,132.35
  5. Step 5: Solve for x
    x = 464,677,209,132.35/791,056.96
  6. Step 6: Final answer
    x = 587,413.08

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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.