Home / 746,779.70-1,120,169.55-248,143.70

Finding the Fourth Proportional to 746,779.70, 1,120,169.55 and 248,143.70

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Solution

The fourth proportional to 746,779.70, 1,120,169.55 and 248,143.70 is: 372,215.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,779.70 : 1,120,169.55 = 248,143.70 : x
  2. Step 2: Convert to fraction form
    746,779.70/1,120,169.55 = 248,143.70/x
  3. Step 3: Cross multiply
    746,779.70x = 1,120,169.55 × 248,143.70
  4. Step 4: Simplify right side
    746,779.70x = 277,963,016,764.34
  5. Step 5: Solve for x
    x = 277,963,016,764.34/746,779.70
  6. Step 6: Final answer
    x = 372,215.55

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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.