Home / 578,433.17-867,826.94-258,853.97

Finding the Fourth Proportional to 578,433.17, 867,826.94 and 258,853.97

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Solution

The fourth proportional to 578,433.17, 867,826.94 and 258,853.97 is: 388,360.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,433.17 : 867,826.94 = 258,853.97 : x
  2. Step 2: Convert to fraction form
    578,433.17/867,826.94 = 258,853.97/x
  3. Step 3: Cross multiply
    578,433.17x = 867,826.94 × 258,853.97
  4. Step 4: Simplify right side
    578,433.17x = 224,640,443,058.55
  5. Step 5: Solve for x
    x = 224,640,443,058.55/578,433.17
  6. Step 6: Final answer
    x = 388,360.24

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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.