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Finding the Fourth Proportional to 507,906.94, 761,191.98 and 283,373.10

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Solution

The fourth proportional to 507,906.94, 761,191.98 and 283,373.10 is: 424,686.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,906.94 : 761,191.98 = 283,373.10 : x
  2. Step 2: Convert to fraction form
    507,906.94/761,191.98 = 283,373.10/x
  3. Step 3: Cross multiply
    507,906.94x = 761,191.98 × 283,373.10
  4. Step 4: Simplify right side
    507,906.94x = 215,701,331,067.74
  5. Step 5: Solve for x
    x = 215,701,331,067.74/507,906.94
  6. Step 6: Final answer
    x = 424,686.72

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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.