Home / 841,522.41-1,262,294.78-280,557.09

Finding the Fourth Proportional to 841,522.41, 1,262,294.78 and 280,557.09

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Solution

The fourth proportional to 841,522.41, 1,262,294.78 and 280,557.09 is: 420,839.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,522.41 : 1,262,294.78 = 280,557.09 : x
  2. Step 2: Convert to fraction form
    841,522.41/1,262,294.78 = 280,557.09/x
  3. Step 3: Cross multiply
    841,522.41x = 1,262,294.78 × 280,557.09
  4. Step 4: Simplify right side
    841,522.41x = 354,145,748,796.21
  5. Step 5: Solve for x
    x = 354,145,748,796.21/841,522.41
  6. Step 6: Final answer
    x = 420,839.36

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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.