Home / 702,983.96-1,054,258.05-253,646.60

Finding the Fourth Proportional to 702,983.96, 1,054,258.05 and 253,646.60

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Solution

The fourth proportional to 702,983.96, 1,054,258.05 and 253,646.60 is: 380,391.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,983.96 : 1,054,258.05 = 253,646.60 : x
  2. Step 2: Convert to fraction form
    702,983.96/1,054,258.05 = 253,646.60/x
  3. Step 3: Cross multiply
    702,983.96x = 1,054,258.05 × 253,646.60
  4. Step 4: Simplify right side
    702,983.96x = 267,408,969,905.13
  5. Step 5: Solve for x
    x = 267,408,969,905.13/702,983.96
  6. Step 6: Final answer
    x = 380,391.28

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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.