Home / 578,187.08-867,458.08-258,607.83

Finding the Fourth Proportional to 578,187.08, 867,458.08 and 258,607.83

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Solution

The fourth proportional to 578,187.08, 867,458.08 and 258,607.83 is: 387,991.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,187.08 : 867,458.08 = 258,607.83 : x
  2. Step 2: Convert to fraction form
    578,187.08/867,458.08 = 258,607.83/x
  3. Step 3: Cross multiply
    578,187.08x = 867,458.08 × 258,607.83
  4. Step 4: Simplify right side
    578,187.08x = 224,331,455,260.99
  5. Step 5: Solve for x
    x = 224,331,455,260.99/578,187.08
  6. Step 6: Final answer
    x = 387,991.13

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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.