Home / 457,884.86-631,913.49-253,955.21

Finding the Fourth Proportional to 457,884.86, 631,913.49 and 253,955.21

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Solution

The fourth proportional to 457,884.86, 631,913.49 and 253,955.21 is: 350,476.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,884.86 : 631,913.49 = 253,955.21 : x
  2. Step 2: Convert to fraction form
    457,884.86/631,913.49 = 253,955.21/x
  3. Step 3: Cross multiply
    457,884.86x = 631,913.49 × 253,955.21
  4. Step 4: Simplify right side
    457,884.86x = 160,477,723,054.78
  5. Step 5: Solve for x
    x = 160,477,723,054.78/457,884.86
  6. Step 6: Final answer
    x = 350,476.15

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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.