Home / 805,233.20-1,207,849.80-539,812.40

Finding the Fourth Proportional to 805,233.20, 1,207,849.80 and 539,812.40

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Solution

The fourth proportional to 805,233.20, 1,207,849.80 and 539,812.40 is: 809,718.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,233.20 : 1,207,849.80 = 539,812.40 : x
  2. Step 2: Convert to fraction form
    805,233.20/1,207,849.80 = 539,812.40/x
  3. Step 3: Cross multiply
    805,233.20x = 1,207,849.80 × 539,812.40
  4. Step 4: Simplify right side
    805,233.20x = 652,012,299,377.52
  5. Step 5: Solve for x
    x = 652,012,299,377.52/805,233.20
  6. Step 6: Final answer
    x = 809,718.60

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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.