Home / 887,836.30-1,330,223.55-413,548.90

Finding the Fourth Proportional to 887,836.30, 1,330,223.55 and 413,548.90

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Solution

The fourth proportional to 887,836.30, 1,330,223.55 and 413,548.90 is: 619,610.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,836.30 : 1,330,223.55 = 413,548.90 : x
  2. Step 2: Convert to fraction form
    887,836.30/1,330,223.55 = 413,548.90/x
  3. Step 3: Cross multiply
    887,836.30x = 1,330,223.55 × 413,548.90
  4. Step 4: Simplify right side
    887,836.30x = 550,112,485,856.60
  5. Step 5: Solve for x
    x = 550,112,485,856.60/887,836.30
  6. Step 6: Final answer
    x = 619,610.27

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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.