Home / 753,424.72-1,130,012.88-247,992.28

Finding the Fourth Proportional to 753,424.72, 1,130,012.88 and 247,992.28

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Solution

The fourth proportional to 753,424.72, 1,130,012.88 and 247,992.28 is: 371,947.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,424.72 : 1,130,012.88 = 247,992.28 : x
  2. Step 2: Convert to fraction form
    753,424.72/1,130,012.88 = 247,992.28/x
  3. Step 3: Cross multiply
    753,424.72x = 1,130,012.88 × 247,992.28
  4. Step 4: Simplify right side
    753,424.72x = 280,234,470,540.57
  5. Step 5: Solve for x
    x = 280,234,470,540.57/753,424.72
  6. Step 6: Final answer
    x = 371,947.54

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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.