Home / 801,710.20-1,201,182.90-380,078.20

Finding the Fourth Proportional to 801,710.20, 1,201,182.90 and 380,078.20

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Solution

The fourth proportional to 801,710.20, 1,201,182.90 and 380,078.20 is: 569,461.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,710.20 : 1,201,182.90 = 380,078.20 : x
  2. Step 2: Convert to fraction form
    801,710.20/1,201,182.90 = 380,078.20/x
  3. Step 3: Cross multiply
    801,710.20x = 1,201,182.90 × 380,078.20
  4. Step 4: Simplify right side
    801,710.20x = 456,543,434,502.78
  5. Step 5: Solve for x
    x = 456,543,434,502.78/801,710.20
  6. Step 6: Final answer
    x = 569,461.93

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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.