Home / 770,220.89-1,062,823.03-426,002.12

Finding the Fourth Proportional to 770,220.89, 1,062,823.03 and 426,002.12

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Solution

The fourth proportional to 770,220.89, 1,062,823.03 and 426,002.12 is: 587,837.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,220.89 : 1,062,823.03 = 426,002.12 : x
  2. Step 2: Convert to fraction form
    770,220.89/1,062,823.03 = 426,002.12/x
  3. Step 3: Cross multiply
    770,220.89x = 1,062,823.03 × 426,002.12
  4. Step 4: Simplify right side
    770,220.89x = 452,764,863,964.82
  5. Step 5: Solve for x
    x = 452,764,863,964.82/770,220.89
  6. Step 6: Final answer
    x = 587,837.68

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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.