Home / 770,560.20-1,155,840.30-271,924.20

Finding the Fourth Proportional to 770,560.20, 1,155,840.30 and 271,924.20

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Solution

The fourth proportional to 770,560.20, 1,155,840.30 and 271,924.20 is: 407,886.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,560.20 : 1,155,840.30 = 271,924.20 : x
  2. Step 2: Convert to fraction form
    770,560.20/1,155,840.30 = 271,924.20/x
  3. Step 3: Cross multiply
    770,560.20x = 1,155,840.30 × 271,924.20
  4. Step 4: Simplify right side
    770,560.20x = 314,300,948,905.26
  5. Step 5: Solve for x
    x = 314,300,948,905.26/770,560.20
  6. Step 6: Final answer
    x = 407,886.30

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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.