Home / 578,470.01-868,266.14-279,161.24

Finding the Fourth Proportional to 578,470.01, 868,266.14 and 279,161.24

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Solution

The fourth proportional to 578,470.01, 868,266.14 and 279,161.24 is: 419,012.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,470.01 : 868,266.14 = 279,161.24 : x
  2. Step 2: Convert to fraction form
    578,470.01/868,266.14 = 279,161.24/x
  3. Step 3: Cross multiply
    578,470.01x = 868,266.14 × 279,161.24
  4. Step 4: Simplify right side
    578,470.01x = 242,386,246,555.28
  5. Step 5: Solve for x
    x = 242,386,246,555.28/578,470.01
  6. Step 6: Final answer
    x = 419,012.64

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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.