Home / 457,764.63-631,722.79-253,824.15

Finding the Fourth Proportional to 457,764.63, 631,722.79 and 253,824.15

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Solution

The fourth proportional to 457,764.63, 631,722.79 and 253,824.15 is: 350,281.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,764.63 : 631,722.79 = 253,824.15 : x
  2. Step 2: Convert to fraction form
    457,764.63/631,722.79 = 253,824.15/x
  3. Step 3: Cross multiply
    457,764.63x = 631,722.79 × 253,824.15
  4. Step 4: Simplify right side
    457,764.63x = 160,346,500,207.38
  5. Step 5: Solve for x
    x = 160,346,500,207.38/457,764.63
  6. Step 6: Final answer
    x = 350,281.54

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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.