Home / 878,343.96-1,316,499.18-404,033.88

Finding the Fourth Proportional to 878,343.96, 1,316,499.18 and 404,033.88

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Solution

The fourth proportional to 878,343.96, 1,316,499.18 and 404,033.88 is: 605,583.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,343.96 : 1,316,499.18 = 404,033.88 : x
  2. Step 2: Convert to fraction form
    878,343.96/1,316,499.18 = 404,033.88/x
  3. Step 3: Cross multiply
    878,343.96x = 1,316,499.18 × 404,033.88
  4. Step 4: Simplify right side
    878,343.96x = 531,910,271,712.22
  5. Step 5: Solve for x
    x = 531,910,271,712.22/878,343.96
  6. Step 6: Final answer
    x = 605,583.12

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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.