Home / 770,860.08-1,063,816.74-431,321.04

Finding the Fourth Proportional to 770,860.08, 1,063,816.74 and 431,321.04

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Solution

The fourth proportional to 770,860.08, 1,063,816.74 and 431,321.04 is: 595,239.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,860.08 : 1,063,816.74 = 431,321.04 : x
  2. Step 2: Convert to fraction form
    770,860.08/1,063,816.74 = 431,321.04/x
  3. Step 3: Cross multiply
    770,860.08x = 1,063,816.74 × 431,321.04
  4. Step 4: Simplify right side
    770,860.08x = 458,846,542,666.21
  5. Step 5: Solve for x
    x = 458,846,542,666.21/770,860.08
  6. Step 6: Final answer
    x = 595,239.73

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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.