Home / 917,368.46-1,375,507.55-348,791.19

Finding the Fourth Proportional to 917,368.46, 1,375,507.55 and 348,791.19

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Solution

The fourth proportional to 917,368.46, 1,375,507.55 and 348,791.19 is: 522,979.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,368.46 : 1,375,507.55 = 348,791.19 : x
  2. Step 2: Convert to fraction form
    917,368.46/1,375,507.55 = 348,791.19/x
  3. Step 3: Cross multiply
    917,368.46x = 1,375,507.55 × 348,791.19
  4. Step 4: Simplify right side
    917,368.46x = 479,764,910,932.31
  5. Step 5: Solve for x
    x = 479,764,910,932.31/917,368.46
  6. Step 6: Final answer
    x = 522,979.51

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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.