Home / 578,394.03-867,424.46-199,299.45

Finding the Fourth Proportional to 578,394.03, 867,424.46 and 199,299.45

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Solution

The fourth proportional to 578,394.03, 867,424.46 and 199,299.45 is: 298,891.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,394.03 : 867,424.46 = 199,299.45 : x
  2. Step 2: Convert to fraction form
    578,394.03/867,424.46 = 199,299.45/x
  3. Step 3: Cross multiply
    578,394.03x = 867,424.46 × 199,299.45
  4. Step 4: Simplify right side
    578,394.03x = 172,877,216,798.05
  5. Step 5: Solve for x
    x = 172,877,216,798.05/578,394.03
  6. Step 6: Final answer
    x = 298,891.77

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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.