Home / 774,049.93-1,068,346.09-447,376.83

Finding the Fourth Proportional to 774,049.93, 1,068,346.09 and 447,376.83

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Solution

The fourth proportional to 774,049.93, 1,068,346.09 and 447,376.83 is: 617,470.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,049.93 : 1,068,346.09 = 447,376.83 : x
  2. Step 2: Convert to fraction form
    774,049.93/1,068,346.09 = 447,376.83/x
  3. Step 3: Cross multiply
    774,049.93x = 1,068,346.09 × 447,376.83
  4. Step 4: Simplify right side
    774,049.93x = 477,953,287,087.10
  5. Step 5: Solve for x
    x = 477,953,287,087.10/774,049.93
  6. Step 6: Final answer
    x = 617,470.87

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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.