Home / 645,227.88-967,211.10-290,331.24

Finding the Fourth Proportional to 645,227.88, 967,211.10 and 290,331.24

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Solution

The fourth proportional to 645,227.88, 967,211.10 and 290,331.24 is: 435,213.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,227.88 : 967,211.10 = 290,331.24 : x
  2. Step 2: Convert to fraction form
    645,227.88/967,211.10 = 290,331.24/x
  3. Step 3: Cross multiply
    645,227.88x = 967,211.10 × 290,331.24
  4. Step 4: Simplify right side
    645,227.88x = 280,811,598,004.76
  5. Step 5: Solve for x
    x = 280,811,598,004.76/645,227.88
  6. Step 6: Final answer
    x = 435,213.06

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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.