Home / 690,010.72-1,034,948.04-216,683.44

Finding the Fourth Proportional to 690,010.72, 1,034,948.04 and 216,683.44

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Solution

The fourth proportional to 690,010.72, 1,034,948.04 and 216,683.44 is: 325,003.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,010.72 : 1,034,948.04 = 216,683.44 : x
  2. Step 2: Convert to fraction form
    690,010.72/1,034,948.04 = 216,683.44/x
  3. Step 3: Cross multiply
    690,010.72x = 1,034,948.04 × 216,683.44
  4. Step 4: Simplify right side
    690,010.72x = 224,256,101,528.46
  5. Step 5: Solve for x
    x = 224,256,101,528.46/690,010.72
  6. Step 6: Final answer
    x = 325,003.79

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Similar ratio
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1.5x scale

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.