Home / 945,513.20-1,418,464.20-314,879.60

Finding the Fourth Proportional to 945,513.20, 1,418,464.20 and 314,879.60

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Solution

The fourth proportional to 945,513.20, 1,418,464.20 and 314,879.60 is: 472,384.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,513.20 : 1,418,464.20 = 314,879.60 : x
  2. Step 2: Convert to fraction form
    945,513.20/1,418,464.20 = 314,879.60/x
  3. Step 3: Cross multiply
    945,513.20x = 1,418,464.20 × 314,879.60
  4. Step 4: Simplify right side
    945,513.20x = 446,645,439,910.32
  5. Step 5: Solve for x
    x = 446,645,439,910.32/945,513.20
  6. Step 6: Final answer
    x = 472,384.14

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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.