Home / 804,820.80-1,207,231.20-243,855.30

Finding the Fourth Proportional to 804,820.80, 1,207,231.20 and 243,855.30

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Solution

The fourth proportional to 804,820.80, 1,207,231.20 and 243,855.30 is: 365,782.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,820.80 : 1,207,231.20 = 243,855.30 : x
  2. Step 2: Convert to fraction form
    804,820.80/1,207,231.20 = 243,855.30/x
  3. Step 3: Cross multiply
    804,820.80x = 1,207,231.20 × 243,855.30
  4. Step 4: Simplify right side
    804,820.80x = 294,389,726,445.36
  5. Step 5: Solve for x
    x = 294,389,726,445.36/804,820.80
  6. Step 6: Final answer
    x = 365,782.95

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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.