Home / 801,222.60-1,201,542.30-401,730.60

Finding the Fourth Proportional to 801,222.60, 1,201,542.30 and 401,730.60

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Solution

The fourth proportional to 801,222.60, 1,201,542.30 and 401,730.60 is: 602,449.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,222.60 : 1,201,542.30 = 401,730.60 : x
  2. Step 2: Convert to fraction form
    801,222.60/1,201,542.30 = 401,730.60/x
  3. Step 3: Cross multiply
    801,222.60x = 1,201,542.30 × 401,730.60
  4. Step 4: Simplify right side
    801,222.60x = 482,696,309,104.38
  5. Step 5: Solve for x
    x = 482,696,309,104.38/801,222.60
  6. Step 6: Final answer
    x = 602,449.69

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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.