Home / 746,456.80-1,119,685.16-247,820.80

Finding the Fourth Proportional to 746,456.80, 1,119,685.16 and 247,820.80

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Solution

The fourth proportional to 746,456.80, 1,119,685.16 and 247,820.80 is: 371,731.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,456.80 : 1,119,685.16 = 247,820.80 : x
  2. Step 2: Convert to fraction form
    746,456.80/1,119,685.16 = 247,820.80/x
  3. Step 3: Cross multiply
    746,456.80x = 1,119,685.16 × 247,820.80
  4. Step 4: Simplify right side
    746,456.80x = 277,481,272,099.33
  5. Step 5: Solve for x
    x = 277,481,272,099.33/746,456.80
  6. Step 6: Final answer
    x = 371,731.19

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Half scale
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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.