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Finding the Fourth Proportional to 534,389.70, 801,714.15 and 376,925.70

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Solution

The fourth proportional to 534,389.70, 801,714.15 and 376,925.70 is: 565,479.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,389.70 : 801,714.15 = 376,925.70 : x
  2. Step 2: Convert to fraction form
    534,389.70/801,714.15 = 376,925.70/x
  3. Step 3: Cross multiply
    534,389.70x = 801,714.15 × 376,925.70
  4. Step 4: Simplify right side
    534,389.70x = 302,186,667,188.66
  5. Step 5: Solve for x
    x = 302,186,667,188.66/534,389.70
  6. Step 6: Final answer
    x = 565,479.96

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Similar ratio
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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.