Home / 770,217.12-1,062,817.80-425,998.32

Finding the Fourth Proportional to 770,217.12, 1,062,817.80 and 425,998.32

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Solution

The fourth proportional to 770,217.12, 1,062,817.80 and 425,998.32 is: 587,832.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,217.12 : 1,062,817.80 = 425,998.32 : x
  2. Step 2: Convert to fraction form
    770,217.12/1,062,817.80 = 425,998.32/x
  3. Step 3: Cross multiply
    770,217.12x = 1,062,817.80 × 425,998.32
  4. Step 4: Simplify right side
    770,217.12x = 452,758,597,266.10
  5. Step 5: Solve for x
    x = 452,758,597,266.10/770,217.12
  6. Step 6: Final answer
    x = 587,832.42

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.