Home / 696,625.45-1,045,234.06-380,713.30

Finding the Fourth Proportional to 696,625.45, 1,045,234.06 and 380,713.30

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Solution

The fourth proportional to 696,625.45, 1,045,234.06 and 380,713.30 is: 571,231.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,625.45 : 1,045,234.06 = 380,713.30 : x
  2. Step 2: Convert to fraction form
    696,625.45/1,045,234.06 = 380,713.30/x
  3. Step 3: Cross multiply
    696,625.45x = 1,045,234.06 × 380,713.30
  4. Step 4: Simplify right side
    696,625.45x = 397,934,504,690.13
  5. Step 5: Solve for x
    x = 397,934,504,690.13/696,625.45
  6. Step 6: Final answer
    x = 571,231.65

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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.