Home / 708,761.20-1,063,116.20-288,025.20

Finding the Fourth Proportional to 708,761.20, 1,063,116.20 and 288,025.20

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Solution

The fourth proportional to 708,761.20, 1,063,116.20 and 288,025.20 is: 432,027.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,761.20 : 1,063,116.20 = 288,025.20 : x
  2. Step 2: Convert to fraction form
    708,761.20/1,063,116.20 = 288,025.20/x
  3. Step 3: Cross multiply
    708,761.20x = 1,063,116.20 × 288,025.20
  4. Step 4: Simplify right side
    708,761.20x = 306,204,256,128.24
  5. Step 5: Solve for x
    x = 306,204,256,128.24/708,761.20
  6. Step 6: Final answer
    x = 432,027.40

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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.