Home / 794,763.60-1,192,145.40-345,699.60

Finding the Fourth Proportional to 794,763.60, 1,192,145.40 and 345,699.60

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Solution

The fourth proportional to 794,763.60, 1,192,145.40 and 345,699.60 is: 518,549.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    794,763.60 : 1,192,145.40 = 345,699.60 : x
  2. Step 2: Convert to fraction form
    794,763.60/1,192,145.40 = 345,699.60/x
  3. Step 3: Cross multiply
    794,763.60x = 1,192,145.40 × 345,699.60
  4. Step 4: Simplify right side
    794,763.60x = 412,124,187,921.84
  5. Step 5: Solve for x
    x = 412,124,187,921.84/794,763.60
  6. Step 6: Final answer
    x = 518,549.40

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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.