Home / 667,591.26-1,001,151.06-288,496.68

Finding the Fourth Proportional to 667,591.26, 1,001,151.06 and 288,496.68

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Solution

The fourth proportional to 667,591.26, 1,001,151.06 and 288,496.68 is: 432,643.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,591.26 : 1,001,151.06 = 288,496.68 : x
  2. Step 2: Convert to fraction form
    667,591.26/1,001,151.06 = 288,496.68/x
  3. Step 3: Cross multiply
    667,591.26x = 1,001,151.06 × 288,496.68
  4. Step 4: Simplify right side
    667,591.26x = 288,828,756,988.48
  5. Step 5: Solve for x
    x = 288,828,756,988.48/667,591.26
  6. Step 6: Final answer
    x = 432,643.11

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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.