Home / 746,077.60-1,119,116.40-247,376.80

Finding the Fourth Proportional to 746,077.60, 1,119,116.40 and 247,376.80

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Solution

The fourth proportional to 746,077.60, 1,119,116.40 and 247,376.80 is: 371,065.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,077.60 : 1,119,116.40 = 247,376.80 : x
  2. Step 2: Convert to fraction form
    746,077.60/1,119,116.40 = 247,376.80/x
  3. Step 3: Cross multiply
    746,077.60x = 1,119,116.40 × 247,376.80
  4. Step 4: Simplify right side
    746,077.60x = 276,843,433,859.52
  5. Step 5: Solve for x
    x = 276,843,433,859.52/746,077.60
  6. Step 6: Final answer
    x = 371,065.20

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Double scale
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Similar ratio
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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.