Home / 794,069.60-1,189,136.10-509,322.20

Finding the Fourth Proportional to 794,069.60, 1,189,136.10 and 509,322.20

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Solution

The fourth proportional to 794,069.60, 1,189,136.10 and 509,322.20 is: 762,720.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    794,069.60 : 1,189,136.10 = 509,322.20 : x
  2. Step 2: Convert to fraction form
    794,069.60/1,189,136.10 = 509,322.20/x
  3. Step 3: Cross multiply
    794,069.60x = 1,189,136.10 × 509,322.20
  4. Step 4: Simplify right side
    794,069.60x = 605,653,414,551.42
  5. Step 5: Solve for x
    x = 605,653,414,551.42/794,069.60
  6. Step 6: Final answer
    x = 762,720.82

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Double scale
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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.