Home / 887,690.20-1,330,757.70-532,845.40

Finding the Fourth Proportional to 887,690.20, 1,330,757.70 and 532,845.40

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Solution

The fourth proportional to 887,690.20, 1,330,757.70 and 532,845.40 is: 798,801.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,690.20 : 1,330,757.70 = 532,845.40 : x
  2. Step 2: Convert to fraction form
    887,690.20/1,330,757.70 = 532,845.40/x
  3. Step 3: Cross multiply
    887,690.20x = 1,330,757.70 × 532,845.40
  4. Step 4: Simplify right side
    887,690.20x = 709,088,118,959.58
  5. Step 5: Solve for x
    x = 709,088,118,959.58/887,690.20
  6. Step 6: Final answer
    x = 798,801.34

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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.