Home / 1,340,490.59-2,010,718.36-329,621.30

Finding the Fourth Proportional to 1,340,490.59, 2,010,718.36 and 329,621.30

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Solution

The fourth proportional to 1,340,490.59, 2,010,718.36 and 329,621.30 is: 494,427.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,490.59 : 2,010,718.36 = 329,621.30 : x
  2. Step 2: Convert to fraction form
    1,340,490.59/2,010,718.36 = 329,621.30/x
  3. Step 3: Cross multiply
    1,340,490.59x = 2,010,718.36 × 329,621.30
  4. Step 4: Simplify right side
    1,340,490.59x = 662,775,588,055.37
  5. Step 5: Solve for x
    x = 662,775,588,055.37/1,340,490.59
  6. Step 6: Final answer
    x = 494,427.63

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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.