Home / 809,006.52-1,213,509.80-218,030.52

Finding the Fourth Proportional to 809,006.52, 1,213,509.80 and 218,030.52

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Solution

The fourth proportional to 809,006.52, 1,213,509.80 and 218,030.52 is: 327,045.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,006.52 : 1,213,509.80 = 218,030.52 : x
  2. Step 2: Convert to fraction form
    809,006.52/1,213,509.80 = 218,030.52/x
  3. Step 3: Cross multiply
    809,006.52x = 1,213,509.80 × 218,030.52
  4. Step 4: Simplify right side
    809,006.52x = 264,582,172,719.10
  5. Step 5: Solve for x
    x = 264,582,172,719.10/809,006.52
  6. Step 6: Final answer
    x = 327,045.79

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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.