Home / 874,202.96-1,311,305.88-243,117.20

Finding the Fourth Proportional to 874,202.96, 1,311,305.88 and 243,117.20

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Solution

The fourth proportional to 874,202.96, 1,311,305.88 and 243,117.20 is: 364,676.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,202.96 : 1,311,305.88 = 243,117.20 : x
  2. Step 2: Convert to fraction form
    874,202.96/1,311,305.88 = 243,117.20/x
  3. Step 3: Cross multiply
    874,202.96x = 1,311,305.88 × 243,117.20
  4. Step 4: Simplify right side
    874,202.96x = 318,801,013,889.14
  5. Step 5: Solve for x
    x = 318,801,013,889.14/874,202.96
  6. Step 6: Final answer
    x = 364,676.20

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Double scale
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1.5x scale

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.