Home / 801,987.10-1,106,741.84-479,772.88

Finding the Fourth Proportional to 801,987.10, 1,106,741.84 and 479,772.88

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Solution

The fourth proportional to 801,987.10, 1,106,741.84 and 479,772.88 is: 662,086.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,987.10 : 1,106,741.84 = 479,772.88 : x
  2. Step 2: Convert to fraction form
    801,987.10/1,106,741.84 = 479,772.88/x
  3. Step 3: Cross multiply
    801,987.10x = 1,106,741.84 × 479,772.88
  4. Step 4: Simplify right side
    801,987.10x = 530,984,719,993.30
  5. Step 5: Solve for x
    x = 530,984,719,993.30/801,987.10
  6. Step 6: Final answer
    x = 662,086.36

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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.