Home / 932,778.80-1,399,859.40-372,215.60

Finding the Fourth Proportional to 932,778.80, 1,399,859.40 and 372,215.60

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Solution

The fourth proportional to 932,778.80, 1,399,859.40 and 372,215.60 is: 558,599.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,778.80 : 1,399,859.40 = 372,215.60 : x
  2. Step 2: Convert to fraction form
    932,778.80/1,399,859.40 = 372,215.60/x
  3. Step 3: Cross multiply
    932,778.80x = 1,399,859.40 × 372,215.60
  4. Step 4: Simplify right side
    932,778.80x = 521,049,506,486.64
  5. Step 5: Solve for x
    x = 521,049,506,486.64/932,778.80
  6. Step 6: Final answer
    x = 558,599.22

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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.