Home / 887,926.30-1,330,358.55-413,638.90

Finding the Fourth Proportional to 887,926.30, 1,330,358.55 and 413,638.90

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Solution

The fourth proportional to 887,926.30, 1,330,358.55 and 413,638.90 is: 619,745.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,926.30 : 1,330,358.55 = 413,638.90 : x
  2. Step 2: Convert to fraction form
    887,926.30/1,330,358.55 = 413,638.90/x
  3. Step 3: Cross multiply
    887,926.30x = 1,330,358.55 × 413,638.90
  4. Step 4: Simplify right side
    887,926.30x = 550,288,047,227.60
  5. Step 5: Solve for x
    x = 550,288,047,227.60/887,926.30
  6. Step 6: Final answer
    x = 619,745.18

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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.