Home / 445,518.20-668,277.30-370,722.80

Finding the Fourth Proportional to 445,518.20, 668,277.30 and 370,722.80

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Solution

The fourth proportional to 445,518.20, 668,277.30 and 370,722.80 is: 556,084.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,518.20 : 668,277.30 = 370,722.80 : x
  2. Step 2: Convert to fraction form
    445,518.20/668,277.30 = 370,722.80/x
  3. Step 3: Cross multiply
    445,518.20x = 668,277.30 × 370,722.80
  4. Step 4: Simplify right side
    445,518.20x = 247,745,631,832.44
  5. Step 5: Solve for x
    x = 247,745,631,832.44/445,518.20
  6. Step 6: Final answer
    x = 556,084.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.