Home / 774,929.18-1,162,372.29-206,315.16

Finding the Fourth Proportional to 774,929.18, 1,162,372.29 and 206,315.16

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Solution

The fourth proportional to 774,929.18, 1,162,372.29 and 206,315.16 is: 309,467.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,929.18 : 1,162,372.29 = 206,315.16 : x
  2. Step 2: Convert to fraction form
    774,929.18/1,162,372.29 = 206,315.16/x
  3. Step 3: Cross multiply
    774,929.18x = 1,162,372.29 × 206,315.16
  4. Step 4: Simplify right side
    774,929.18x = 239,815,023,959.34
  5. Step 5: Solve for x
    x = 239,815,023,959.34/774,929.18
  6. Step 6: Final answer
    x = 309,467.02

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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.