Home / 457,452.51-631,279.41-250,722.58

Finding the Fourth Proportional to 457,452.51, 631,279.41 and 250,722.58

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Solution

The fourth proportional to 457,452.51, 631,279.41 and 250,722.58 is: 345,994.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,452.51 : 631,279.41 = 250,722.58 : x
  2. Step 2: Convert to fraction form
    457,452.51/631,279.41 = 250,722.58/x
  3. Step 3: Cross multiply
    457,452.51x = 631,279.41 × 250,722.58
  4. Step 4: Simplify right side
    457,452.51x = 158,275,999,219.68
  5. Step 5: Solve for x
    x = 158,275,999,219.68/457,452.51
  6. Step 6: Final answer
    x = 345,994.38

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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.