Home / 874,287.96-1,311,434.28-243,201.84

Finding the Fourth Proportional to 874,287.96, 1,311,434.28 and 243,201.84

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Solution

The fourth proportional to 874,287.96, 1,311,434.28 and 243,201.84 is: 364,803.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,287.96 : 1,311,434.28 = 243,201.84 : x
  2. Step 2: Convert to fraction form
    874,287.96/1,311,434.28 = 243,201.84/x
  3. Step 3: Cross multiply
    874,287.96x = 1,311,434.28 × 243,201.84
  4. Step 4: Simplify right side
    874,287.96x = 318,943,229,935.08
  5. Step 5: Solve for x
    x = 318,943,229,935.08/874,287.96
  6. Step 6: Final answer
    x = 364,803.41

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Double scale
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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.