Home / 669,319.14-1,003,959.56-189,545.82

Finding the Fourth Proportional to 669,319.14, 1,003,959.56 and 189,545.82

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Solution

The fourth proportional to 669,319.14, 1,003,959.56 and 189,545.82 is: 284,313.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,319.14 : 1,003,959.56 = 189,545.82 : x
  2. Step 2: Convert to fraction form
    669,319.14/1,003,959.56 = 189,545.82/x
  3. Step 3: Cross multiply
    669,319.14x = 1,003,959.56 × 189,545.82
  4. Step 4: Simplify right side
    669,319.14x = 190,296,338,047.04
  5. Step 5: Solve for x
    x = 190,296,338,047.04/669,319.14
  6. Step 6: Final answer
    x = 284,313.31

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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.