Home / 898,728.60-1,348,287.30-299,587.80

Finding the Fourth Proportional to 898,728.60, 1,348,287.30 and 299,587.80

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Solution

The fourth proportional to 898,728.60, 1,348,287.30 and 299,587.80 is: 449,446.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,728.60 : 1,348,287.30 = 299,587.80 : x
  2. Step 2: Convert to fraction form
    898,728.60/1,348,287.30 = 299,587.80/x
  3. Step 3: Cross multiply
    898,728.60x = 1,348,287.30 × 299,587.80
  4. Step 4: Simplify right side
    898,728.60x = 403,930,425,974.94
  5. Step 5: Solve for x
    x = 403,930,425,974.94/898,728.60
  6. Step 6: Final answer
    x = 449,446.50

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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.