Home / 801,990.72-1,202,156.64-380,946.24

Finding the Fourth Proportional to 801,990.72, 1,202,156.64 and 380,946.24

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Solution

The fourth proportional to 801,990.72, 1,202,156.64 and 380,946.24 is: 571,025.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,990.72 : 1,202,156.64 = 380,946.24 : x
  2. Step 2: Convert to fraction form
    801,990.72/1,202,156.64 = 380,946.24/x
  3. Step 3: Cross multiply
    801,990.72x = 1,202,156.64 × 380,946.24
  4. Step 4: Simplify right side
    801,990.72x = 457,957,051,899.03
  5. Step 5: Solve for x
    x = 457,957,051,899.03/801,990.72
  6. Step 6: Final answer
    x = 571,025.38

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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.