Home / 748,867.60-1,120,968.60-538,915.60

Finding the Fourth Proportional to 748,867.60, 1,120,968.60 and 538,915.60

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Solution

The fourth proportional to 748,867.60, 1,120,968.60 and 538,915.60 is: 806,694.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,867.60 : 1,120,968.60 = 538,915.60 : x
  2. Step 2: Convert to fraction form
    748,867.60/1,120,968.60 = 538,915.60/x
  3. Step 3: Cross multiply
    748,867.60x = 1,120,968.60 × 538,915.60
  4. Step 4: Simplify right side
    748,867.60x = 604,107,465,650.16
  5. Step 5: Solve for x
    x = 604,107,465,650.16/748,867.60
  6. Step 6: Final answer
    x = 806,694.62

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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.