Home / 793,445.40-1,190,168.10-260,983.80

Finding the Fourth Proportional to 793,445.40, 1,190,168.10 and 260,983.80

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Solution

The fourth proportional to 793,445.40, 1,190,168.10 and 260,983.80 is: 391,475.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,445.40 : 1,190,168.10 = 260,983.80 : x
  2. Step 2: Convert to fraction form
    793,445.40/1,190,168.10 = 260,983.80/x
  3. Step 3: Cross multiply
    793,445.40x = 1,190,168.10 × 260,983.80
  4. Step 4: Simplify right side
    793,445.40x = 310,614,593,376.78
  5. Step 5: Solve for x
    x = 310,614,593,376.78/793,445.40
  6. Step 6: Final answer
    x = 391,475.70

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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.