Home / 865,200.93-1,296,948.45-303,841.77

Finding the Fourth Proportional to 865,200.93, 1,296,948.45 and 303,841.77

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Solution

The fourth proportional to 865,200.93, 1,296,948.45 and 303,841.77 is: 455,463.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,200.93 : 1,296,948.45 = 303,841.77 : x
  2. Step 2: Convert to fraction form
    865,200.93/1,296,948.45 = 303,841.77/x
  3. Step 3: Cross multiply
    865,200.93x = 1,296,948.45 × 303,841.77
  4. Step 4: Simplify right side
    865,200.93x = 394,067,108,922.61
  5. Step 5: Solve for x
    x = 394,067,108,922.61/865,200.93
  6. Step 6: Final answer
    x = 455,463.11

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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.