Home / 917,396.30-1,375,987.43-243,529.97

Finding the Fourth Proportional to 917,396.30, 1,375,987.43 and 243,529.97

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Solution

The fourth proportional to 917,396.30, 1,375,987.43 and 243,529.97 is: 365,266.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,396.30 : 1,375,987.43 = 243,529.97 : x
  2. Step 2: Convert to fraction form
    917,396.30/1,375,987.43 = 243,529.97/x
  3. Step 3: Cross multiply
    917,396.30x = 1,375,987.43 × 243,529.97
  4. Step 4: Simplify right side
    917,396.30x = 335,094,171,277.17
  5. Step 5: Solve for x
    x = 335,094,171,277.17/917,396.30
  6. Step 6: Final answer
    x = 365,266.54

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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.