Home / 770,057.55-1,062,252.82-447,732.02

Finding the Fourth Proportional to 770,057.55, 1,062,252.82 and 447,732.02

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Solution

The fourth proportional to 770,057.55, 1,062,252.82 and 447,732.02 is: 617,622.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,057.55 : 1,062,252.82 = 447,732.02 : x
  2. Step 2: Convert to fraction form
    770,057.55/1,062,252.82 = 447,732.02/x
  3. Step 3: Cross multiply
    770,057.55x = 1,062,252.82 × 447,732.02
  4. Step 4: Simplify right side
    770,057.55x = 475,604,600,849.30
  5. Step 5: Solve for x
    x = 475,604,600,849.30/770,057.55
  6. Step 6: Final answer
    x = 617,622.15

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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.