Home / 874,494.50-1,311,741.75-243,424.76

Finding the Fourth Proportional to 874,494.50, 1,311,741.75 and 243,424.76

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Solution

The fourth proportional to 874,494.50, 1,311,741.75 and 243,424.76 is: 365,137.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,494.50 : 1,311,741.75 = 243,424.76 : x
  2. Step 2: Convert to fraction form
    874,494.50/1,311,741.75 = 243,424.76/x
  3. Step 3: Cross multiply
    874,494.50x = 1,311,741.75 × 243,424.76
  4. Step 4: Simplify right side
    874,494.50x = 319,310,420,675.73
  5. Step 5: Solve for x
    x = 319,310,420,675.73/874,494.50
  6. Step 6: Final answer
    x = 365,137.14

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Double scale
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Similar ratio
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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.