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Finding the Fourth Proportional to 866,753.65, 1,300,307.82 and 298,060.93

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Solution

The fourth proportional to 866,753.65, 1,300,307.82 and 298,060.93 is: 447,152.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,753.65 : 1,300,307.82 = 298,060.93 : x
  2. Step 2: Convert to fraction form
    866,753.65/1,300,307.82 = 298,060.93/x
  3. Step 3: Cross multiply
    866,753.65x = 1,300,307.82 × 298,060.93
  4. Step 4: Simplify right side
    866,753.65x = 387,570,958,115.47
  5. Step 5: Solve for x
    x = 387,570,958,115.47/866,753.65
  6. Step 6: Final answer
    x = 447,152.38

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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.