Home / 1,340,491.08-2,010,719.11-329,621.79

Finding the Fourth Proportional to 1,340,491.08, 2,010,719.11 and 329,621.79

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Solution

The fourth proportional to 1,340,491.08, 2,010,719.11 and 329,621.79 is: 494,428.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,491.08 : 2,010,719.11 = 329,621.79 : x
  2. Step 2: Convert to fraction form
    1,340,491.08/2,010,719.11 = 329,621.79/x
  3. Step 3: Cross multiply
    1,340,491.08x = 2,010,719.11 × 329,621.79
  4. Step 4: Simplify right side
    1,340,491.08x = 662,776,832,225.41
  5. Step 5: Solve for x
    x = 662,776,832,225.41/1,340,491.08
  6. Step 6: Final answer
    x = 494,428.38

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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.