Home / 774,929.93-1,162,373.41-206,315.91

Finding the Fourth Proportional to 774,929.93, 1,162,373.41 and 206,315.91

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Solution

The fourth proportional to 774,929.93, 1,162,373.41 and 206,315.91 is: 309,468.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,929.93 : 1,162,373.41 = 206,315.91 : x
  2. Step 2: Convert to fraction form
    774,929.93/1,162,373.41 = 206,315.91/x
  3. Step 3: Cross multiply
    774,929.93x = 1,162,373.41 × 206,315.91
  4. Step 4: Simplify right side
    774,929.93x = 239,816,126,812.37
  5. Step 5: Solve for x
    x = 239,816,126,812.37/774,929.93
  6. Step 6: Final answer
    x = 309,468.14

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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.