Home / 852,210.40-1,278,315.60-537,023.20

Finding the Fourth Proportional to 852,210.40, 1,278,315.60 and 537,023.20

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Solution

The fourth proportional to 852,210.40, 1,278,315.60 and 537,023.20 is: 805,534.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,210.40 : 1,278,315.60 = 537,023.20 : x
  2. Step 2: Convert to fraction form
    852,210.40/1,278,315.60 = 537,023.20/x
  3. Step 3: Cross multiply
    852,210.40x = 1,278,315.60 × 537,023.20
  4. Step 4: Simplify right side
    852,210.40x = 686,485,134,121.92
  5. Step 5: Solve for x
    x = 686,485,134,121.92/852,210.40
  6. Step 6: Final answer
    x = 805,534.80

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Similar ratio
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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.