Home / 639,302.46-882,211.61-352,818.83

Finding the Fourth Proportional to 639,302.46, 882,211.61 and 352,818.83

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Solution

The fourth proportional to 639,302.46, 882,211.61 and 352,818.83 is: 486,875.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,302.46 : 882,211.61 = 352,818.83 : x
  2. Step 2: Convert to fraction form
    639,302.46/882,211.61 = 352,818.83/x
  3. Step 3: Cross multiply
    639,302.46x = 882,211.61 × 352,818.83
  4. Step 4: Simplify right side
    639,302.46x = 311,260,861,877.46
  5. Step 5: Solve for x
    x = 311,260,861,877.46/639,302.46
  6. Step 6: Final answer
    x = 486,875.75

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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.