Home / 804,829.20-1,207,243.80-243,891.60

Finding the Fourth Proportional to 804,829.20, 1,207,243.80 and 243,891.60

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Solution

The fourth proportional to 804,829.20, 1,207,243.80 and 243,891.60 is: 365,837.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,829.20 : 1,207,243.80 = 243,891.60 : x
  2. Step 2: Convert to fraction form
    804,829.20/1,207,243.80 = 243,891.60/x
  3. Step 3: Cross multiply
    804,829.20x = 1,207,243.80 × 243,891.60
  4. Step 4: Simplify right side
    804,829.20x = 294,436,621,972.08
  5. Step 5: Solve for x
    x = 294,436,621,972.08/804,829.20
  6. Step 6: Final answer
    x = 365,837.40

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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.