Home / 876,229.10-1,209,195.78-473,821.10

Finding the Fourth Proportional to 876,229.10, 1,209,195.78 and 473,821.10

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Solution

The fourth proportional to 876,229.10, 1,209,195.78 and 473,821.10 is: 653,872.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,229.10 : 1,209,195.78 = 473,821.10 : x
  2. Step 2: Convert to fraction form
    876,229.10/1,209,195.78 = 473,821.10/x
  3. Step 3: Cross multiply
    876,229.10x = 1,209,195.78 × 473,821.10
  4. Step 4: Simplify right side
    876,229.10x = 572,942,474,594.96
  5. Step 5: Solve for x
    x = 572,942,474,594.96/876,229.10
  6. Step 6: Final answer
    x = 653,872.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.