Home / 820,199.10-1,229,261.85-731,034.30

Finding the Fourth Proportional to 820,199.10, 1,229,261.85 and 731,034.30

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Solution

The fourth proportional to 820,199.10, 1,229,261.85 and 731,034.30 is: 1,095,627.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,199.10 : 1,229,261.85 = 731,034.30 : x
  2. Step 2: Convert to fraction form
    820,199.10/1,229,261.85 = 731,034.30/x
  3. Step 3: Cross multiply
    820,199.10x = 1,229,261.85 × 731,034.30
  4. Step 4: Simplify right side
    820,199.10x = 898,632,576,031.46
  5. Step 5: Solve for x
    x = 898,632,576,031.46/820,199.10
  6. Step 6: Final answer
    x = 1,095,627.36

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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.