Home / 887,200.20-1,330,800.30-354,803.40

Finding the Fourth Proportional to 887,200.20, 1,330,800.30 and 354,803.40

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Solution

The fourth proportional to 887,200.20, 1,330,800.30 and 354,803.40 is: 532,205.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,200.20 : 1,330,800.30 = 354,803.40 : x
  2. Step 2: Convert to fraction form
    887,200.20/1,330,800.30 = 354,803.40/x
  3. Step 3: Cross multiply
    887,200.20x = 1,330,800.30 × 354,803.40
  4. Step 4: Simplify right side
    887,200.20x = 472,172,471,161.02
  5. Step 5: Solve for x
    x = 472,172,471,161.02/887,200.20
  6. Step 6: Final answer
    x = 532,205.10

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Double scale
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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.