Home / 887,915.40-1,332,002.70-288,774.60

Finding the Fourth Proportional to 887,915.40, 1,332,002.70 and 288,774.60

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Solution

The fourth proportional to 887,915.40, 1,332,002.70 and 288,774.60 is: 433,204.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,915.40 : 1,332,002.70 = 288,774.60 : x
  2. Step 2: Convert to fraction form
    887,915.40/1,332,002.70 = 288,774.60/x
  3. Step 3: Cross multiply
    887,915.40x = 1,332,002.70 × 288,774.60
  4. Step 4: Simplify right side
    887,915.40x = 384,648,546,891.42
  5. Step 5: Solve for x
    x = 384,648,546,891.42/887,915.40
  6. Step 6: Final answer
    x = 433,204.05

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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.