Home / 945,493.20-1,418,434.20-314,859.60

Finding the Fourth Proportional to 945,493.20, 1,418,434.20 and 314,859.60

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Solution

The fourth proportional to 945,493.20, 1,418,434.20 and 314,859.60 is: 472,354.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,493.20 : 1,418,434.20 = 314,859.60 : x
  2. Step 2: Convert to fraction form
    945,493.20/1,418,434.20 = 314,859.60/x
  3. Step 3: Cross multiply
    945,493.20x = 1,418,434.20 × 314,859.60
  4. Step 4: Simplify right side
    945,493.20x = 446,607,624,838.32
  5. Step 5: Solve for x
    x = 446,607,624,838.32/945,493.20
  6. Step 6: Final answer
    x = 472,354.14

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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.