Home / 887,038.10-1,330,557.15-413,771.30

Finding the Fourth Proportional to 887,038.10, 1,330,557.15 and 413,771.30

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Solution

The fourth proportional to 887,038.10, 1,330,557.15 and 413,771.30 is: 620,656.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,038.10 : 1,330,557.15 = 413,771.30 : x
  2. Step 2: Convert to fraction form
    887,038.10/1,330,557.15 = 413,771.30/x
  3. Step 3: Cross multiply
    887,038.10x = 1,330,557.15 × 413,771.30
  4. Step 4: Simplify right side
    887,038.10x = 550,546,361,679.80
  5. Step 5: Solve for x
    x = 550,546,361,679.80/887,038.10
  6. Step 6: Final answer
    x = 620,656.95

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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.