Home / 558,116-837,174.84-258,433.28

Finding the Fourth Proportional to 558,116, 837,174.84 and 258,433.28

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Solution

The fourth proportional to 558,116, 837,174.84 and 258,433.28 is: 387,650.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,116 : 837,174.84 = 258,433.28 : x
  2. Step 2: Convert to fraction form
    558,116/837,174.84 = 258,433.28/x
  3. Step 3: Cross multiply
    558,116x = 837,174.84 × 258,433.28
  4. Step 4: Simplify right side
    558,116x = 216,353,839,834.68
  5. Step 5: Solve for x
    x = 216,353,839,834.68/558,116
  6. Step 6: Final answer
    x = 387,650.31

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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.