Home / 649,987.59-975,321.33-266,021.46

Finding the Fourth Proportional to 649,987.59, 975,321.33 and 266,021.46

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Solution

The fourth proportional to 649,987.59, 975,321.33 and 266,021.46 is: 399,171.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,987.59 : 975,321.33 = 266,021.46 : x
  2. Step 2: Convert to fraction form
    649,987.59/975,321.33 = 266,021.46/x
  3. Step 3: Cross multiply
    649,987.59x = 975,321.33 × 266,021.46
  4. Step 4: Simplify right side
    649,987.59x = 259,456,404,175.74
  5. Step 5: Solve for x
    x = 259,456,404,175.74/649,987.59
  6. Step 6: Final answer
    x = 399,171.32

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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.