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Finding the Fourth Proportional to 804,793.60, 1,206,422.40 and 299,219.20

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Solution

The fourth proportional to 804,793.60, 1,206,422.40 and 299,219.20 is: 448,543.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,793.60 : 1,206,422.40 = 299,219.20 : x
  2. Step 2: Convert to fraction form
    804,793.60/1,206,422.40 = 299,219.20/x
  3. Step 3: Cross multiply
    804,793.60x = 1,206,422.40 × 299,219.20
  4. Step 4: Simplify right side
    804,793.60x = 360,984,745,390.08
  5. Step 5: Solve for x
    x = 360,984,745,390.08/804,793.60
  6. Step 6: Final answer
    x = 448,543.26

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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.