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Finding the Fourth Proportional to 480,753.65, 720,026.35 and 240,128.98

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Solution

The fourth proportional to 480,753.65, 720,026.35 and 240,128.98 is: 359,641.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,753.65 : 720,026.35 = 240,128.98 : x
  2. Step 2: Convert to fraction form
    480,753.65/720,026.35 = 240,128.98/x
  3. Step 3: Cross multiply
    480,753.65x = 720,026.35 × 240,128.98
  4. Step 4: Simplify right side
    480,753.65x = 172,899,188,197.85
  5. Step 5: Solve for x
    x = 172,899,188,197.85/480,753.65
  6. Step 6: Final answer
    x = 359,641.97

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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.