Home / 558,114-837,171.84-258,431.28

Finding the Fourth Proportional to 558,114, 837,171.84 and 258,431.28

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Solution

The fourth proportional to 558,114, 837,171.84 and 258,431.28 is: 387,647.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,114 : 837,171.84 = 258,431.28 : x
  2. Step 2: Convert to fraction form
    558,114/837,171.84 = 258,431.28/x
  3. Step 3: Cross multiply
    558,114x = 837,171.84 × 258,431.28
  4. Step 4: Simplify right side
    558,114x = 216,351,390,191.16
  5. Step 5: Solve for x
    x = 216,351,390,191.16/558,114
  6. Step 6: Final answer
    x = 387,647.31

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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.