Home / 874,309.46-1,311,466.53-243,223.34

Finding the Fourth Proportional to 874,309.46, 1,311,466.53 and 243,223.34

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Solution

The fourth proportional to 874,309.46, 1,311,466.53 and 243,223.34 is: 364,835.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,309.46 : 1,311,466.53 = 243,223.34 : x
  2. Step 2: Convert to fraction form
    874,309.46/1,311,466.53 = 243,223.34/x
  3. Step 3: Cross multiply
    874,309.46x = 1,311,466.53 × 243,223.34
  4. Step 4: Simplify right side
    874,309.46x = 318,979,269,724.81
  5. Step 5: Solve for x
    x = 318,979,269,724.81/874,309.46
  6. Step 6: Final answer
    x = 364,835.66

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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.