Home / 786,844.20-1,180,266.30-471,138.60

Finding the Fourth Proportional to 786,844.20, 1,180,266.30 and 471,138.60

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Solution

The fourth proportional to 786,844.20, 1,180,266.30 and 471,138.60 is: 706,707.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,844.20 : 1,180,266.30 = 471,138.60 : x
  2. Step 2: Convert to fraction form
    786,844.20/1,180,266.30 = 471,138.60/x
  3. Step 3: Cross multiply
    786,844.20x = 1,180,266.30 × 471,138.60
  4. Step 4: Simplify right side
    786,844.20x = 556,069,012,209.18
  5. Step 5: Solve for x
    x = 556,069,012,209.18/786,844.20
  6. Step 6: Final answer
    x = 706,707.90

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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.