Home / 945,872.40-1,418,821.08-314,786.32

Finding the Fourth Proportional to 945,872.40, 1,418,821.08 and 314,786.32

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Solution

The fourth proportional to 945,872.40, 1,418,821.08 and 314,786.32 is: 472,183.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,872.40 : 1,418,821.08 = 314,786.32 : x
  2. Step 2: Convert to fraction form
    945,872.40/1,418,821.08 = 314,786.32/x
  3. Step 3: Cross multiply
    945,872.40x = 1,418,821.08 × 314,786.32
  4. Step 4: Simplify right side
    945,872.40x = 446,625,466,511.63
  5. Step 5: Solve for x
    x = 446,625,466,511.63/945,872.40
  6. Step 6: Final answer
    x = 472,183.63

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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.