Home / 992,910-1,370,215.80-540,204.24

Finding the Fourth Proportional to 992,910, 1,370,215.80 and 540,204.24

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Solution

The fourth proportional to 992,910, 1,370,215.80 and 540,204.24 is: 745,481.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,910 : 1,370,215.80 = 540,204.24 : x
  2. Step 2: Convert to fraction form
    992,910/1,370,215.80 = 540,204.24/x
  3. Step 3: Cross multiply
    992,910x = 1,370,215.80 × 540,204.24
  4. Step 4: Simplify right side
    992,910x = 740,196,384,874.99
  5. Step 5: Solve for x
    x = 740,196,384,874.99/992,910
  6. Step 6: Final answer
    x = 745,481.85

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1.5x scale

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.