Home / 673,150.30-1,008,364.65-419,652.70

Finding the Fourth Proportional to 673,150.30, 1,008,364.65 and 419,652.70

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Solution

The fourth proportional to 673,150.30, 1,008,364.65 and 419,652.70 is: 628,630.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,150.30 : 1,008,364.65 = 419,652.70 : x
  2. Step 2: Convert to fraction form
    673,150.30/1,008,364.65 = 419,652.70/x
  3. Step 3: Cross multiply
    673,150.30x = 1,008,364.65 × 419,652.70
  4. Step 4: Simplify right side
    673,150.30x = 423,162,947,957.06
  5. Step 5: Solve for x
    x = 423,162,947,957.06/673,150.30
  6. Step 6: Final answer
    x = 628,630.71

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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.