Home / 457,504.02-631,344.78-266,505.08

Finding the Fourth Proportional to 457,504.02, 631,344.78 and 266,505.08

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Solution

The fourth proportional to 457,504.02, 631,344.78 and 266,505.08 is: 367,770.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,504.02 : 631,344.78 = 266,505.08 : x
  2. Step 2: Convert to fraction form
    457,504.02/631,344.78 = 266,505.08/x
  3. Step 3: Cross multiply
    457,504.02x = 631,344.78 × 266,505.08
  4. Step 4: Simplify right side
    457,504.02x = 168,256,587,944.76
  5. Step 5: Solve for x
    x = 168,256,587,944.76/457,504.02
  6. Step 6: Final answer
    x = 367,770.73

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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.