Home / 887,000.70-1,330,209.45-325,962.30

Finding the Fourth Proportional to 887,000.70, 1,330,209.45 and 325,962.30

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Solution

The fourth proportional to 887,000.70, 1,330,209.45 and 325,962.30 is: 488,836.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,000.70 : 1,330,209.45 = 325,962.30 : x
  2. Step 2: Convert to fraction form
    887,000.70/1,330,209.45 = 325,962.30/x
  3. Step 3: Cross multiply
    887,000.70x = 1,330,209.45 × 325,962.30
  4. Step 4: Simplify right side
    887,000.70x = 433,598,131,803.74
  5. Step 5: Solve for x
    x = 433,598,131,803.74/887,000.70
  6. Step 6: Final answer
    x = 488,836.29

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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.