Home / 801,130.45-1,105,561.76-438,576.88

Finding the Fourth Proportional to 801,130.45, 1,105,561.76 and 438,576.88

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Solution

The fourth proportional to 801,130.45, 1,105,561.76 and 438,576.88 is: 605,237.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,130.45 : 1,105,561.76 = 438,576.88 : x
  2. Step 2: Convert to fraction form
    801,130.45/1,105,561.76 = 438,576.88/x
  3. Step 3: Cross multiply
    801,130.45x = 1,105,561.76 × 438,576.88
  4. Step 4: Simplify right side
    801,130.45x = 484,873,826,931.24
  5. Step 5: Solve for x
    x = 484,873,826,931.24/801,130.45
  6. Step 6: Final answer
    x = 605,237.05

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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.