Home / 945,474.19-1,418,223.60-314,388

Finding the Fourth Proportional to 945,474.19, 1,418,223.60 and 314,388

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Solution

The fourth proportional to 945,474.19, 1,418,223.60 and 314,388 is: 471,586.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,474.19 : 1,418,223.60 = 314,388 : x
  2. Step 2: Convert to fraction form
    945,474.19/1,418,223.60 = 314,388/x
  3. Step 3: Cross multiply
    945,474.19x = 1,418,223.60 × 314,388
  4. Step 4: Simplify right side
    945,474.19x = 445,872,481,156.80
  5. Step 5: Solve for x
    x = 445,872,481,156.80/945,474.19
  6. Step 6: Final answer
    x = 471,586.10

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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.