Home / 708,689.20-1,063,033.80-288,266.80

Finding the Fourth Proportional to 708,689.20, 1,063,033.80 and 288,266.80

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Solution

The fourth proportional to 708,689.20, 1,063,033.80 and 288,266.80 is: 432,400.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,689.20 : 1,063,033.80 = 288,266.80 : x
  2. Step 2: Convert to fraction form
    708,689.20/1,063,033.80 = 288,266.80/x
  3. Step 3: Cross multiply
    708,689.20x = 1,063,033.80 × 288,266.80
  4. Step 4: Simplify right side
    708,689.20x = 306,437,351,817.84
  5. Step 5: Solve for x
    x = 306,437,351,817.84/708,689.20
  6. Step 6: Final answer
    x = 432,400.20

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Similar ratio
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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.