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Finding the Fourth Proportional to 478,899, 718,622.42 and 242,260.92

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Solution

The fourth proportional to 478,899, 718,622.42 and 242,260.92 is: 363,529.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,899 : 718,622.42 = 242,260.92 : x
  2. Step 2: Convert to fraction form
    478,899/718,622.42 = 242,260.92/x
  3. Step 3: Cross multiply
    478,899x = 718,622.42 × 242,260.92
  4. Step 4: Simplify right side
    478,899x = 174,094,128,601.83
  5. Step 5: Solve for x
    x = 174,094,128,601.83/478,899
  6. Step 6: Final answer
    x = 363,529.95

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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.