Home / 887,387.20-1,330,303.20-532,542.40

Finding the Fourth Proportional to 887,387.20, 1,330,303.20 and 532,542.40

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Solution

The fourth proportional to 887,387.20, 1,330,303.20 and 532,542.40 is: 798,346.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,387.20 : 1,330,303.20 = 532,542.40 : x
  2. Step 2: Convert to fraction form
    887,387.20/1,330,303.20 = 532,542.40/x
  3. Step 3: Cross multiply
    887,387.20x = 1,330,303.20 × 532,542.40
  4. Step 4: Simplify right side
    887,387.20x = 708,442,858,855.68
  5. Step 5: Solve for x
    x = 708,442,858,855.68/887,387.20
  6. Step 6: Final answer
    x = 798,346.94

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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.