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Finding the Fourth Proportional to 478,803.93, 660,754.04 and 263,951.70

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Solution

The fourth proportional to 478,803.93, 660,754.04 and 263,951.70 is: 364,255.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,803.93 : 660,754.04 = 263,951.70 : x
  2. Step 2: Convert to fraction form
    478,803.93/660,754.04 = 263,951.70/x
  3. Step 3: Cross multiply
    478,803.93x = 660,754.04 × 263,951.70
  4. Step 4: Simplify right side
    478,803.93x = 174,407,150,820.11
  5. Step 5: Solve for x
    x = 174,407,150,820.11/478,803.93
  6. Step 6: Final answer
    x = 364,255.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.