Home / 878,828.52-1,318,636.62-405,260.04

Finding the Fourth Proportional to 878,828.52, 1,318,636.62 and 405,260.04

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Solution

The fourth proportional to 878,828.52, 1,318,636.62 and 405,260.04 is: 608,071.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,828.52 : 1,318,636.62 = 405,260.04 : x
  2. Step 2: Convert to fraction form
    878,828.52/1,318,636.62 = 405,260.04/x
  3. Step 3: Cross multiply
    878,828.52x = 1,318,636.62 × 405,260.04
  4. Step 4: Simplify right side
    878,828.52x = 534,390,729,366.67
  5. Step 5: Solve for x
    x = 534,390,729,366.67/878,828.52
  6. Step 6: Final answer
    x = 608,071.67

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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.