Home / 672,605.20-1,008,688.29-223,205.37

Finding the Fourth Proportional to 672,605.20, 1,008,688.29 and 223,205.37

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Solution

The fourth proportional to 672,605.20, 1,008,688.29 and 223,205.37 is: 334,735.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,605.20 : 1,008,688.29 = 223,205.37 : x
  2. Step 2: Convert to fraction form
    672,605.20/1,008,688.29 = 223,205.37/x
  3. Step 3: Cross multiply
    672,605.20x = 1,008,688.29 × 223,205.37
  4. Step 4: Simplify right side
    672,605.20x = 225,144,642,984.12
  5. Step 5: Solve for x
    x = 225,144,642,984.12/672,605.20
  6. Step 6: Final answer
    x = 334,735.21

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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.