Home / 878,047.98-1,317,298.64-270,822.64

Finding the Fourth Proportional to 878,047.98, 1,317,298.64 and 270,822.64

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Solution

The fourth proportional to 878,047.98, 1,317,298.64 and 270,822.64 is: 406,303.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,047.98 : 1,317,298.64 = 270,822.64 : x
  2. Step 2: Convert to fraction form
    878,047.98/1,317,298.64 = 270,822.64/x
  3. Step 3: Cross multiply
    878,047.98x = 1,317,298.64 × 270,822.64
  4. Step 4: Simplify right side
    878,047.98x = 356,754,295,353.21
  5. Step 5: Solve for x
    x = 356,754,295,353.21/878,047.98
  6. Step 6: Final answer
    x = 406,303.87

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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.