Home / 755,712.56-1,133,726.52-400,630.16

Finding the Fourth Proportional to 755,712.56, 1,133,726.52 and 400,630.16

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Solution

The fourth proportional to 755,712.56, 1,133,726.52 and 400,630.16 is: 601,028.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,712.56 : 1,133,726.52 = 400,630.16 : x
  2. Step 2: Convert to fraction form
    755,712.56/1,133,726.52 = 400,630.16/x
  3. Step 3: Cross multiply
    755,712.56x = 1,133,726.52 × 400,630.16
  4. Step 4: Simplify right side
    755,712.56x = 454,205,037,103.84
  5. Step 5: Solve for x
    x = 454,205,037,103.84/755,712.56
  6. Step 6: Final answer
    x = 601,028.83

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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.