Home / 945,174.42-1,417,838.43-280,324.50

Finding the Fourth Proportional to 945,174.42, 1,417,838.43 and 280,324.50

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Solution

The fourth proportional to 945,174.42, 1,417,838.43 and 280,324.50 is: 420,509.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,174.42 : 1,417,838.43 = 280,324.50 : x
  2. Step 2: Convert to fraction form
    945,174.42/1,417,838.43 = 280,324.50/x
  3. Step 3: Cross multiply
    945,174.42x = 1,417,838.43 × 280,324.50
  4. Step 4: Simplify right side
    945,174.42x = 397,454,848,970.54
  5. Step 5: Solve for x
    x = 397,454,848,970.54/945,174.42
  6. Step 6: Final answer
    x = 420,509.53

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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.