Home / 753,208.71-1,039,578.89-447,454.95

Finding the Fourth Proportional to 753,208.71, 1,039,578.89 and 447,454.95

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Solution

The fourth proportional to 753,208.71, 1,039,578.89 and 447,454.95 is: 617,577.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,208.71 : 1,039,578.89 = 447,454.95 : x
  2. Step 2: Convert to fraction form
    753,208.71/1,039,578.89 = 447,454.95/x
  3. Step 3: Cross multiply
    753,208.71x = 1,039,578.89 × 447,454.95
  4. Step 4: Simplify right side
    753,208.71x = 465,164,720,246.01
  5. Step 5: Solve for x
    x = 465,164,720,246.01/753,208.71
  6. Step 6: Final answer
    x = 617,577.46

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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.