Home / 794,064.60-1,189,128.60-509,317.20

Finding the Fourth Proportional to 794,064.60, 1,189,128.60 and 509,317.20

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Solution

The fourth proportional to 794,064.60, 1,189,128.60 and 509,317.20 is: 762,713.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    794,064.60 : 1,189,128.60 = 509,317.20 : x
  2. Step 2: Convert to fraction form
    794,064.60/1,189,128.60 = 509,317.20/x
  3. Step 3: Cross multiply
    794,064.60x = 1,189,128.60 × 509,317.20
  4. Step 4: Simplify right side
    794,064.60x = 605,643,648,991.92
  5. Step 5: Solve for x
    x = 605,643,648,991.92/794,064.60
  6. Step 6: Final answer
    x = 762,713.32

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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.