Home / 917,374.54-1,375,954.88-243,508.20

Finding the Fourth Proportional to 917,374.54, 1,375,954.88 and 243,508.20

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Solution

The fourth proportional to 917,374.54, 1,375,954.88 and 243,508.20 is: 365,233.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,374.54 : 1,375,954.88 = 243,508.20 : x
  2. Step 2: Convert to fraction form
    917,374.54/1,375,954.88 = 243,508.20/x
  3. Step 3: Cross multiply
    917,374.54x = 1,375,954.88 × 243,508.20
  4. Step 4: Simplify right side
    917,374.54x = 335,056,296,110.02
  5. Step 5: Solve for x
    x = 335,056,296,110.02/917,374.54
  6. Step 6: Final answer
    x = 365,233.92

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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.