Home / 786,961.20-1,180,441.80-488,362.80

Finding the Fourth Proportional to 786,961.20, 1,180,441.80 and 488,362.80

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Solution

The fourth proportional to 786,961.20, 1,180,441.80 and 488,362.80 is: 732,544.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,961.20 : 1,180,441.80 = 488,362.80 : x
  2. Step 2: Convert to fraction form
    786,961.20/1,180,441.80 = 488,362.80/x
  3. Step 3: Cross multiply
    786,961.20x = 1,180,441.80 × 488,362.80
  4. Step 4: Simplify right side
    786,961.20x = 576,483,862,685.04
  5. Step 5: Solve for x
    x = 576,483,862,685.04/786,961.20
  6. Step 6: Final answer
    x = 732,544.20

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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.