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Finding the Fourth Proportional to 529,751.95, 731,052.53 and 288,034.52

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Solution

The fourth proportional to 529,751.95, 731,052.53 and 288,034.52 is: 397,484.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,751.95 : 731,052.53 = 288,034.52 : x
  2. Step 2: Convert to fraction form
    529,751.95/731,052.53 = 288,034.52/x
  3. Step 3: Cross multiply
    529,751.95x = 731,052.53 × 288,034.52
  4. Step 4: Simplify right side
    529,751.95x = 210,568,364,379.61
  5. Step 5: Solve for x
    x = 210,568,364,379.61/529,751.95
  6. Step 6: Final answer
    x = 397,484.83

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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.