Home / 768,753.04-1,153,158.72-207,787.76

Finding the Fourth Proportional to 768,753.04, 1,153,158.72 and 207,787.76

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Solution

The fourth proportional to 768,753.04, 1,153,158.72 and 207,787.76 is: 311,689.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,753.04 : 1,153,158.72 = 207,787.76 : x
  2. Step 2: Convert to fraction form
    768,753.04/1,153,158.72 = 207,787.76/x
  3. Step 3: Cross multiply
    768,753.04x = 1,153,158.72 × 207,787.76
  4. Step 4: Simplify right side
    768,753.04x = 239,612,267,353.27
  5. Step 5: Solve for x
    x = 239,612,267,353.27/768,753.04
  6. Step 6: Final answer
    x = 311,689.52

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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.