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Finding the Fourth Proportional to 533,818.20, 800,727.30 and 498,826.20

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Solution

The fourth proportional to 533,818.20, 800,727.30 and 498,826.20 is: 748,239.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,818.20 : 800,727.30 = 498,826.20 : x
  2. Step 2: Convert to fraction form
    533,818.20/800,727.30 = 498,826.20/x
  3. Step 3: Cross multiply
    533,818.20x = 800,727.30 × 498,826.20
  4. Step 4: Simplify right side
    533,818.20x = 399,423,756,295.26
  5. Step 5: Solve for x
    x = 399,423,756,295.26/533,818.20
  6. Step 6: Final answer
    x = 748,239.30

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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.