Home / 780,023.40-1,170,035.10-732,784.20

Finding the Fourth Proportional to 780,023.40, 1,170,035.10 and 732,784.20

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Solution

The fourth proportional to 780,023.40, 1,170,035.10 and 732,784.20 is: 1,099,176.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,023.40 : 1,170,035.10 = 732,784.20 : x
  2. Step 2: Convert to fraction form
    780,023.40/1,170,035.10 = 732,784.20/x
  3. Step 3: Cross multiply
    780,023.40x = 1,170,035.10 × 732,784.20
  4. Step 4: Simplify right side
    780,023.40x = 857,383,234,725.42
  5. Step 5: Solve for x
    x = 857,383,234,725.42/780,023.40
  6. Step 6: Final answer
    x = 1,099,176.30

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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.