Home / 708,425.60-1,063,243.20-288,003.20

Finding the Fourth Proportional to 708,425.60, 1,063,243.20 and 288,003.20

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Solution

The fourth proportional to 708,425.60, 1,063,243.20 and 288,003.20 is: 432,250.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,425.60 : 1,063,243.20 = 288,003.20 : x
  2. Step 2: Convert to fraction form
    708,425.60/1,063,243.20 = 288,003.20/x
  3. Step 3: Cross multiply
    708,425.60x = 1,063,243.20 × 288,003.20
  4. Step 4: Simplify right side
    708,425.60x = 306,217,443,978.24
  5. Step 5: Solve for x
    x = 306,217,443,978.24/708,425.60
  6. Step 6: Final answer
    x = 432,250.68

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1.5x scale

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.