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Finding the Fourth Proportional to 593,781.80, 890,672.70 and 144,499.10

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Solution

The fourth proportional to 593,781.80, 890,672.70 and 144,499.10 is: 216,748.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,781.80 : 890,672.70 = 144,499.10 : x
  2. Step 2: Convert to fraction form
    593,781.80/890,672.70 = 144,499.10/x
  3. Step 3: Cross multiply
    593,781.80x = 890,672.70 × 144,499.10
  4. Step 4: Simplify right side
    593,781.80x = 128,701,403,544.57
  5. Step 5: Solve for x
    x = 128,701,403,544.57/593,781.80
  6. Step 6: Final answer
    x = 216,748.65

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Double scale
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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.