Home / 753,208.60-1,039,578.72-447,454.83

Finding the Fourth Proportional to 753,208.60, 1,039,578.72 and 447,454.83

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Solution

The fourth proportional to 753,208.60, 1,039,578.72 and 447,454.83 is: 617,577.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,208.60 : 1,039,578.72 = 447,454.83 : x
  2. Step 2: Convert to fraction form
    753,208.60/1,039,578.72 = 447,454.83/x
  3. Step 3: Cross multiply
    753,208.60x = 1,039,578.72 × 447,454.83
  4. Step 4: Simplify right side
    753,208.60x = 465,164,524,166.62
  5. Step 5: Solve for x
    x = 465,164,524,166.62/753,208.60
  6. Step 6: Final answer
    x = 617,577.29

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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.