Home / 689,278.16-1,034,082.48-333,876.80

Finding the Fourth Proportional to 689,278.16, 1,034,082.48 and 333,876.80

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Solution

The fourth proportional to 689,278.16, 1,034,082.48 and 333,876.80 is: 500,895.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,278.16 : 1,034,082.48 = 333,876.80 : x
  2. Step 2: Convert to fraction form
    689,278.16/1,034,082.48 = 333,876.80/x
  3. Step 3: Cross multiply
    689,278.16x = 1,034,082.48 × 333,876.80
  4. Step 4: Simplify right side
    689,278.16x = 345,256,149,358.46
  5. Step 5: Solve for x
    x = 345,256,149,358.46/689,278.16
  6. Step 6: Final answer
    x = 500,895.24

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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.