Home / 628,427.20-944,609.10-616,617.40

Finding the Fourth Proportional to 628,427.20, 944,609.10 and 616,617.40

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Solution

The fourth proportional to 628,427.20, 944,609.10 and 616,617.40 is: 926,857.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,427.20 : 944,609.10 = 616,617.40 : x
  2. Step 2: Convert to fraction form
    628,427.20/944,609.10 = 616,617.40/x
  3. Step 3: Cross multiply
    628,427.20x = 944,609.10 × 616,617.40
  4. Step 4: Simplify right side
    628,427.20x = 582,462,407,258.34
  5. Step 5: Solve for x
    x = 582,462,407,258.34/628,427.20
  6. Step 6: Final answer
    x = 926,857.41

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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.