Home / 741,397.11-1,023,128.46-401,865.36

Finding the Fourth Proportional to 741,397.11, 1,023,128.46 and 401,865.36

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Solution

The fourth proportional to 741,397.11, 1,023,128.46 and 401,865.36 is: 554,574.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,397.11 : 1,023,128.46 = 401,865.36 : x
  2. Step 2: Convert to fraction form
    741,397.11/1,023,128.46 = 401,865.36/x
  3. Step 3: Cross multiply
    741,397.11x = 1,023,128.46 × 401,865.36
  4. Step 4: Simplify right side
    741,397.11x = 411,159,886,904.15
  5. Step 5: Solve for x
    x = 411,159,886,904.15/741,397.11
  6. Step 6: Final answer
    x = 554,574.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.