Home / 841,522.16-1,262,294.40-280,556.88

Finding the Fourth Proportional to 841,522.16, 1,262,294.40 and 280,556.88

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Solution

The fourth proportional to 841,522.16, 1,262,294.40 and 280,556.88 is: 420,839.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,522.16 : 1,262,294.40 = 280,556.88 : x
  2. Step 2: Convert to fraction form
    841,522.16/1,262,294.40 = 280,556.88/x
  3. Step 3: Cross multiply
    841,522.16x = 1,262,294.40 × 280,556.88
  4. Step 4: Simplify right side
    841,522.16x = 354,145,378,505.47
  5. Step 5: Solve for x
    x = 354,145,378,505.47/841,522.16
  6. Step 6: Final answer
    x = 420,839.04

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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.