Home / 715,868.35-1,073,802.83-210,429.36

Finding the Fourth Proportional to 715,868.35, 1,073,802.83 and 210,429.36

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Solution

The fourth proportional to 715,868.35, 1,073,802.83 and 210,429.36 is: 315,644.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,868.35 : 1,073,802.83 = 210,429.36 : x
  2. Step 2: Convert to fraction form
    715,868.35/1,073,802.83 = 210,429.36/x
  3. Step 3: Cross multiply
    715,868.35x = 1,073,802.83 × 210,429.36
  4. Step 4: Simplify right side
    715,868.35x = 225,959,641,230.94
  5. Step 5: Solve for x
    x = 225,959,641,230.94/715,868.35
  6. Step 6: Final answer
    x = 315,644.13

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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.