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Finding the Fourth Proportional to 551,549.78, 827,502.96 and 270,870.20

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Solution

The fourth proportional to 551,549.78, 827,502.96 and 270,870.20 is: 406,392.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,549.78 : 827,502.96 = 270,870.20 : x
  2. Step 2: Convert to fraction form
    551,549.78/827,502.96 = 270,870.20/x
  3. Step 3: Cross multiply
    551,549.78x = 827,502.96 × 270,870.20
  4. Step 4: Simplify right side
    551,549.78x = 224,145,892,275.79
  5. Step 5: Solve for x
    x = 224,145,892,275.79/551,549.78
  6. Step 6: Final answer
    x = 406,392.86

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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.