Home / 667,585.26-1,001,142.06-288,490.68

Finding the Fourth Proportional to 667,585.26, 1,001,142.06 and 288,490.68

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Solution

The fourth proportional to 667,585.26, 1,001,142.06 and 288,490.68 is: 432,634.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,585.26 : 1,001,142.06 = 288,490.68 : x
  2. Step 2: Convert to fraction form
    667,585.26/1,001,142.06 = 288,490.68/x
  3. Step 3: Cross multiply
    667,585.26x = 1,001,142.06 × 288,490.68
  4. Step 4: Simplify right side
    667,585.26x = 288,820,153,666.00
  5. Step 5: Solve for x
    x = 288,820,153,666.00/667,585.26
  6. Step 6: Final answer
    x = 432,634.11

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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.