Home / 746,912.20-1,120,368.30-185,946.70

Finding the Fourth Proportional to 746,912.20, 1,120,368.30 and 185,946.70

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Solution

The fourth proportional to 746,912.20, 1,120,368.30 and 185,946.70 is: 278,920.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,912.20 : 1,120,368.30 = 185,946.70 : x
  2. Step 2: Convert to fraction form
    746,912.20/1,120,368.30 = 185,946.70/x
  3. Step 3: Cross multiply
    746,912.20x = 1,120,368.30 × 185,946.70
  4. Step 4: Simplify right side
    746,912.20x = 208,328,788,169.61
  5. Step 5: Solve for x
    x = 208,328,788,169.61/746,912.20
  6. Step 6: Final answer
    x = 278,920.05

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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.