Home / 457,958.61-631,985.09-253,995.35

Finding the Fourth Proportional to 457,958.61, 631,985.09 and 253,995.35

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Solution

The fourth proportional to 457,958.61, 631,985.09 and 253,995.35 is: 350,514.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,958.61 : 631,985.09 = 253,995.35 : x
  2. Step 2: Convert to fraction form
    457,958.61/631,985.09 = 253,995.35/x
  3. Step 3: Cross multiply
    457,958.61x = 631,985.09 × 253,995.35
  4. Step 4: Simplify right side
    457,958.61x = 160,521,269,699.43
  5. Step 5: Solve for x
    x = 160,521,269,699.43/457,958.61
  6. Step 6: Final answer
    x = 350,514.80

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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.