Home / 688,926.24-1,033,382.04-215,615.70

Finding the Fourth Proportional to 688,926.24, 1,033,382.04 and 215,615.70

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Solution

The fourth proportional to 688,926.24, 1,033,382.04 and 215,615.70 is: 323,421.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,926.24 : 1,033,382.04 = 215,615.70 : x
  2. Step 2: Convert to fraction form
    688,926.24/1,033,382.04 = 215,615.70/x
  3. Step 3: Cross multiply
    688,926.24x = 1,033,382.04 × 215,615.70
  4. Step 4: Simplify right side
    688,926.24x = 222,813,391,922.03
  5. Step 5: Solve for x
    x = 222,813,391,922.03/688,926.24
  6. Step 6: Final answer
    x = 323,421.26

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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.