Home / 672,855.68-1,009,478.31-199,552.43

Finding the Fourth Proportional to 672,855.68, 1,009,478.31 and 199,552.43

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Solution

The fourth proportional to 672,855.68, 1,009,478.31 and 199,552.43 is: 299,386.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,855.68 : 1,009,478.31 = 199,552.43 : x
  2. Step 2: Convert to fraction form
    672,855.68/1,009,478.31 = 199,552.43/x
  3. Step 3: Cross multiply
    672,855.68x = 1,009,478.31 × 199,552.43
  4. Step 4: Simplify right side
    672,855.68x = 201,443,849,792.79
  5. Step 5: Solve for x
    x = 201,443,849,792.79/672,855.68
  6. Step 6: Final answer
    x = 299,386.41

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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.