Home / 887,912.30-1,330,337.55-413,624.90

Finding the Fourth Proportional to 887,912.30, 1,330,337.55 and 413,624.90

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Solution

The fourth proportional to 887,912.30, 1,330,337.55 and 413,624.90 is: 619,724.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,912.30 : 1,330,337.55 = 413,624.90 : x
  2. Step 2: Convert to fraction form
    887,912.30/1,330,337.55 = 413,624.90/x
  3. Step 3: Cross multiply
    887,912.30x = 1,330,337.55 × 413,624.90
  4. Step 4: Simplify right side
    887,912.30x = 550,260,736,085.00
  5. Step 5: Solve for x
    x = 550,260,736,085.00/887,912.30
  6. Step 6: Final answer
    x = 619,724.20

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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.