Home / 887,011.20-1,330,225.20-325,972.80

Finding the Fourth Proportional to 887,011.20, 1,330,225.20 and 325,972.80

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Solution

The fourth proportional to 887,011.20, 1,330,225.20 and 325,972.80 is: 488,852.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,011.20 : 1,330,225.20 = 325,972.80 : x
  2. Step 2: Convert to fraction form
    887,011.20/1,330,225.20 = 325,972.80/x
  3. Step 3: Cross multiply
    887,011.20x = 1,330,225.20 × 325,972.80
  4. Step 4: Simplify right side
    887,011.20x = 433,617,233,074.56
  5. Step 5: Solve for x
    x = 433,617,233,074.56/887,011.20
  6. Step 6: Final answer
    x = 488,852.04

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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.