Home / 874,269.30-1,311,015.15-401,099.70

Finding the Fourth Proportional to 874,269.30, 1,311,015.15 and 401,099.70

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Solution

The fourth proportional to 874,269.30, 1,311,015.15 and 401,099.70 is: 601,471.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,269.30 : 1,311,015.15 = 401,099.70 : x
  2. Step 2: Convert to fraction form
    874,269.30/1,311,015.15 = 401,099.70/x
  3. Step 3: Cross multiply
    874,269.30x = 1,311,015.15 × 401,099.70
  4. Step 4: Simplify right side
    874,269.30x = 525,847,783,360.46
  5. Step 5: Solve for x
    x = 525,847,783,360.46/874,269.30
  6. Step 6: Final answer
    x = 601,471.18

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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.