Home / 906,821.70-1,361,107.35-458,049.30

Finding the Fourth Proportional to 906,821.70, 1,361,107.35 and 458,049.30

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Solution

The fourth proportional to 906,821.70, 1,361,107.35 and 458,049.30 is: 687,515.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,821.70 : 1,361,107.35 = 458,049.30 : x
  2. Step 2: Convert to fraction form
    906,821.70/1,361,107.35 = 458,049.30/x
  3. Step 3: Cross multiply
    906,821.70x = 1,361,107.35 × 458,049.30
  4. Step 4: Simplify right side
    906,821.70x = 623,454,268,892.36
  5. Step 5: Solve for x
    x = 623,454,268,892.36/906,821.70
  6. Step 6: Final answer
    x = 687,515.82

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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.