Home / 805,209.20-1,207,813.80-244,271.60

Finding the Fourth Proportional to 805,209.20, 1,207,813.80 and 244,271.60

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Solution

The fourth proportional to 805,209.20, 1,207,813.80 and 244,271.60 is: 366,407.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,209.20 : 1,207,813.80 = 244,271.60 : x
  2. Step 2: Convert to fraction form
    805,209.20/1,207,813.80 = 244,271.60/x
  3. Step 3: Cross multiply
    805,209.20x = 1,207,813.80 × 244,271.60
  4. Step 4: Simplify right side
    805,209.20x = 295,034,609,428.08
  5. Step 5: Solve for x
    x = 295,034,609,428.08/805,209.20
  6. Step 6: Final answer
    x = 366,407.40

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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.