Home / 991,975.76-1,487,975.78-282,002.66

Finding the Fourth Proportional to 991,975.76, 1,487,975.78 and 282,002.66

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Solution

The fourth proportional to 991,975.76, 1,487,975.78 and 282,002.66 is: 423,007.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,975.76 : 1,487,975.78 = 282,002.66 : x
  2. Step 2: Convert to fraction form
    991,975.76/1,487,975.78 = 282,002.66/x
  3. Step 3: Cross multiply
    991,975.76x = 1,487,975.78 × 282,002.66
  4. Step 4: Simplify right side
    991,975.76x = 419,613,121,240.70
  5. Step 5: Solve for x
    x = 419,613,121,240.70/991,975.76
  6. Step 6: Final answer
    x = 423,007.44

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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.