Home / 681,619.80-1,022,429.70-433,402.20

Finding the Fourth Proportional to 681,619.80, 1,022,429.70 and 433,402.20

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Solution

The fourth proportional to 681,619.80, 1,022,429.70 and 433,402.20 is: 650,103.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,619.80 : 1,022,429.70 = 433,402.20 : x
  2. Step 2: Convert to fraction form
    681,619.80/1,022,429.70 = 433,402.20/x
  3. Step 3: Cross multiply
    681,619.80x = 1,022,429.70 × 433,402.20
  4. Step 4: Simplify right side
    681,619.80x = 443,123,281,325.34
  5. Step 5: Solve for x
    x = 443,123,281,325.34/681,619.80
  6. Step 6: Final answer
    x = 650,103.30

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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.