Home / 727,019.14-1,002,633.29-455,111.82

Finding the Fourth Proportional to 727,019.14, 1,002,633.29 and 455,111.82

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Solution

The fourth proportional to 727,019.14, 1,002,633.29 and 455,111.82 is: 627,645.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,019.14 : 1,002,633.29 = 455,111.82 : x
  2. Step 2: Convert to fraction form
    727,019.14/1,002,633.29 = 455,111.82/x
  3. Step 3: Cross multiply
    727,019.14x = 1,002,633.29 × 455,111.82
  4. Step 4: Simplify right side
    727,019.14x = 456,310,262,888.80
  5. Step 5: Solve for x
    x = 456,310,262,888.80/727,019.14
  6. Step 6: Final answer
    x = 627,645.46

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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.