Home / 579,285.90-867,797.64-275,247.36

Finding the Fourth Proportional to 579,285.90, 867,797.64 and 275,247.36

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Solution

The fourth proportional to 579,285.90, 867,797.64 and 275,247.36 is: 412,333.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,285.90 : 867,797.64 = 275,247.36 : x
  2. Step 2: Convert to fraction form
    579,285.90/867,797.64 = 275,247.36/x
  3. Step 3: Cross multiply
    579,285.90x = 867,797.64 × 275,247.36
  4. Step 4: Simplify right side
    579,285.90x = 238,859,009,424.23
  5. Step 5: Solve for x
    x = 238,859,009,424.23/579,285.90
  6. Step 6: Final answer
    x = 412,333.55

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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.