Home / 672,031.56-1,007,888.10-192,244.57

Finding the Fourth Proportional to 672,031.56, 1,007,888.10 and 192,244.57

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Solution

The fourth proportional to 672,031.56, 1,007,888.10 and 192,244.57 is: 288,321.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,031.56 : 1,007,888.10 = 192,244.57 : x
  2. Step 2: Convert to fraction form
    672,031.56/1,007,888.10 = 192,244.57/x
  3. Step 3: Cross multiply
    672,031.56x = 1,007,888.10 × 192,244.57
  4. Step 4: Simplify right side
    672,031.56x = 193,761,014,392.62
  5. Step 5: Solve for x
    x = 193,761,014,392.62/672,031.56
  6. Step 6: Final answer
    x = 288,321.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.