Home / 852,214.40-1,278,321.60-537,027.20

Finding the Fourth Proportional to 852,214.40, 1,278,321.60 and 537,027.20

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Solution

The fourth proportional to 852,214.40, 1,278,321.60 and 537,027.20 is: 805,540.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,214.40 : 1,278,321.60 = 537,027.20 : x
  2. Step 2: Convert to fraction form
    852,214.40/1,278,321.60 = 537,027.20/x
  3. Step 3: Cross multiply
    852,214.40x = 1,278,321.60 × 537,027.20
  4. Step 4: Simplify right side
    852,214.40x = 686,493,469,547.52
  5. Step 5: Solve for x
    x = 686,493,469,547.52/852,214.40
  6. Step 6: Final answer
    x = 805,540.80

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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.