Home / 672,234.40-1,008,157.20-245,720.80

Finding the Fourth Proportional to 672,234.40, 1,008,157.20 and 245,720.80

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Solution

The fourth proportional to 672,234.40, 1,008,157.20 and 245,720.80 is: 368,510.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,234.40 : 1,008,157.20 = 245,720.80 : x
  2. Step 2: Convert to fraction form
    672,234.40/1,008,157.20 = 245,720.80/x
  3. Step 3: Cross multiply
    672,234.40x = 1,008,157.20 × 245,720.80
  4. Step 4: Simplify right side
    672,234.40x = 247,725,193,709.76
  5. Step 5: Solve for x
    x = 247,725,193,709.76/672,234.40
  6. Step 6: Final answer
    x = 368,510.14

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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.