Home / 689,532.90-1,034,882.55-311,036.10

Finding the Fourth Proportional to 689,532.90, 1,034,882.55 and 311,036.10

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Solution

The fourth proportional to 689,532.90, 1,034,882.55 and 311,036.10 is: 466,817.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,532.90 : 1,034,882.55 = 311,036.10 : x
  2. Step 2: Convert to fraction form
    689,532.90/1,034,882.55 = 311,036.10/x
  3. Step 3: Cross multiply
    689,532.90x = 1,034,882.55 × 311,036.10
  4. Step 4: Simplify right side
    689,532.90x = 321,885,832,310.06
  5. Step 5: Solve for x
    x = 321,885,832,310.06/689,532.90
  6. Step 6: Final answer
    x = 466,817.22

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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.