Home / 639,374.19-882,273.57-352,875.83

Finding the Fourth Proportional to 639,374.19, 882,273.57 and 352,875.83

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Solution

The fourth proportional to 639,374.19, 882,273.57 and 352,875.83 is: 486,933.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,374.19 : 882,273.57 = 352,875.83 : x
  2. Step 2: Convert to fraction form
    639,374.19/882,273.57 = 352,875.83/x
  3. Step 3: Cross multiply
    639,374.19x = 882,273.57 × 352,875.83
  4. Step 4: Simplify right side
    639,374.19x = 311,333,012,566.16
  5. Step 5: Solve for x
    x = 311,333,012,566.16/639,374.19
  6. Step 6: Final answer
    x = 486,933.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.