Home / 852,226.40-1,278,339.60-537,039.20

Finding the Fourth Proportional to 852,226.40, 1,278,339.60 and 537,039.20

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Solution

The fourth proportional to 852,226.40, 1,278,339.60 and 537,039.20 is: 805,558.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,226.40 : 1,278,339.60 = 537,039.20 : x
  2. Step 2: Convert to fraction form
    852,226.40/1,278,339.60 = 537,039.20/x
  3. Step 3: Cross multiply
    852,226.40x = 1,278,339.60 × 537,039.20
  4. Step 4: Simplify right side
    852,226.40x = 686,518,476,112.32
  5. Step 5: Solve for x
    x = 686,518,476,112.32/852,226.40
  6. Step 6: Final answer
    x = 805,558.80

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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.