Home / 880,299.66-1,319,657.31-318,940.50

Finding the Fourth Proportional to 880,299.66, 1,319,657.31 and 318,940.50

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Solution

The fourth proportional to 880,299.66, 1,319,657.31 and 318,940.50 is: 478,123.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,299.66 : 1,319,657.31 = 318,940.50 : x
  2. Step 2: Convert to fraction form
    880,299.66/1,319,657.31 = 318,940.50/x
  3. Step 3: Cross multiply
    880,299.66x = 1,319,657.31 × 318,940.50
  4. Step 4: Simplify right side
    880,299.66x = 420,892,162,280.06
  5. Step 5: Solve for x
    x = 420,892,162,280.06/880,299.66
  6. Step 6: Final answer
    x = 478,123.74

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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.