Home / 887,042.10-1,330,563.15-413,775.30

Finding the Fourth Proportional to 887,042.10, 1,330,563.15 and 413,775.30

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Solution

The fourth proportional to 887,042.10, 1,330,563.15 and 413,775.30 is: 620,662.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,042.10 : 1,330,563.15 = 413,775.30 : x
  2. Step 2: Convert to fraction form
    887,042.10/1,330,563.15 = 413,775.30/x
  3. Step 3: Cross multiply
    887,042.10x = 1,330,563.15 × 413,775.30
  4. Step 4: Simplify right side
    887,042.10x = 550,554,166,560.20
  5. Step 5: Solve for x
    x = 550,554,166,560.20/887,042.10
  6. Step 6: Final answer
    x = 620,662.95

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Double scale
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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.