Home / 688,817.86-1,033,228.41-215,504.08

Finding the Fourth Proportional to 688,817.86, 1,033,228.41 and 215,504.08

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Solution

The fourth proportional to 688,817.86, 1,033,228.41 and 215,504.08 is: 323,256.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,817.86 : 1,033,228.41 = 215,504.08 : x
  2. Step 2: Convert to fraction form
    688,817.86/1,033,228.41 = 215,504.08/x
  3. Step 3: Cross multiply
    688,817.86x = 1,033,228.41 × 215,504.08
  4. Step 4: Simplify right side
    688,817.86x = 222,664,937,926.91
  5. Step 5: Solve for x
    x = 222,664,937,926.91/688,817.86
  6. Step 6: Final answer
    x = 323,256.63

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Similar ratio
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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.