Home / 540,110.60-807,833.10-456,129.80

Finding the Fourth Proportional to 540,110.60, 807,833.10 and 456,129.80

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Solution

The fourth proportional to 540,110.60, 807,833.10 and 456,129.80 is: 682,224.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,110.60 : 807,833.10 = 456,129.80 : x
  2. Step 2: Convert to fraction form
    540,110.60/807,833.10 = 456,129.80/x
  3. Step 3: Cross multiply
    540,110.60x = 807,833.10 × 456,129.80
  4. Step 4: Simplify right side
    540,110.60x = 368,476,750,336.38
  5. Step 5: Solve for x
    x = 368,476,750,336.38/540,110.60
  6. Step 6: Final answer
    x = 682,224.62

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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.