Home / 797,988-1,101,246.48-440,315.04

Finding the Fourth Proportional to 797,988, 1,101,246.48 and 440,315.04

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Solution

The fourth proportional to 797,988, 1,101,246.48 and 440,315.04 is: 607,647.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,988 : 1,101,246.48 = 440,315.04 : x
  2. Step 2: Convert to fraction form
    797,988/1,101,246.48 = 440,315.04/x
  3. Step 3: Cross multiply
    797,988x = 1,101,246.48 × 440,315.04
  4. Step 4: Simplify right side
    797,988x = 484,895,387,891.06
  5. Step 5: Solve for x
    x = 484,895,387,891.06/797,988
  6. Step 6: Final answer
    x = 607,647.47

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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.