Home / 801,438.80-1,202,158.20-533,312.60

Finding the Fourth Proportional to 801,438.80, 1,202,158.20 and 533,312.60

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Solution

The fourth proportional to 801,438.80, 1,202,158.20 and 533,312.60 is: 799,968.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,438.80 : 1,202,158.20 = 533,312.60 : x
  2. Step 2: Convert to fraction form
    801,438.80/1,202,158.20 = 533,312.60/x
  3. Step 3: Cross multiply
    801,438.80x = 1,202,158.20 × 533,312.60
  4. Step 4: Simplify right side
    801,438.80x = 641,126,115,253.32
  5. Step 5: Solve for x
    x = 641,126,115,253.32/801,438.80
  6. Step 6: Final answer
    x = 799,968.90

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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.