Home / 804,301.60-1,206,452.40-330,829.60

Finding the Fourth Proportional to 804,301.60, 1,206,452.40 and 330,829.60

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Solution

The fourth proportional to 804,301.60, 1,206,452.40 and 330,829.60 is: 496,244.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,301.60 : 1,206,452.40 = 330,829.60 : x
  2. Step 2: Convert to fraction form
    804,301.60/1,206,452.40 = 330,829.60/x
  3. Step 3: Cross multiply
    804,301.60x = 1,206,452.40 × 330,829.60
  4. Step 4: Simplify right side
    804,301.60x = 399,130,164,911.04
  5. Step 5: Solve for x
    x = 399,130,164,911.04/804,301.60
  6. Step 6: Final answer
    x = 496,244.40

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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.