Home / 715,324.80-1,073,153.28-209,865.36

Finding the Fourth Proportional to 715,324.80, 1,073,153.28 and 209,865.36

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Solution

The fourth proportional to 715,324.80, 1,073,153.28 and 209,865.36 is: 314,846.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,324.80 : 1,073,153.28 = 209,865.36 : x
  2. Step 2: Convert to fraction form
    715,324.80/1,073,153.28 = 209,865.36/x
  3. Step 3: Cross multiply
    715,324.80x = 1,073,153.28 × 209,865.36
  4. Step 4: Simplify right side
    715,324.80x = 225,217,699,442.38
  5. Step 5: Solve for x
    x = 225,217,699,442.38/715,324.80
  6. Step 6: Final answer
    x = 314,846.77

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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.