Home / 672,865.04-1,009,125.66-199,439.66

Finding the Fourth Proportional to 672,865.04, 1,009,125.66 and 199,439.66

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Solution

The fourth proportional to 672,865.04, 1,009,125.66 and 199,439.66 is: 299,108.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,865.04 : 1,009,125.66 = 199,439.66 : x
  2. Step 2: Convert to fraction form
    672,865.04/1,009,125.66 = 199,439.66/x
  3. Step 3: Cross multiply
    672,865.04x = 1,009,125.66 × 199,439.66
  4. Step 4: Simplify right side
    672,865.04x = 201,259,678,527.68
  5. Step 5: Solve for x
    x = 201,259,678,527.68/672,865.04
  6. Step 6: Final answer
    x = 299,108.54

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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.