Home / 673,079.30-1,008,258.15-419,581.70

Finding the Fourth Proportional to 673,079.30, 1,008,258.15 and 419,581.70

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Solution

The fourth proportional to 673,079.30, 1,008,258.15 and 419,581.70 is: 628,524.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,079.30 : 1,008,258.15 = 419,581.70 : x
  2. Step 2: Convert to fraction form
    673,079.30/1,008,258.15 = 419,581.70/x
  3. Step 3: Cross multiply
    673,079.30x = 1,008,258.15 × 419,581.70
  4. Step 4: Simplify right side
    673,079.30x = 423,046,668,615.86
  5. Step 5: Solve for x
    x = 423,046,668,615.86/673,079.30
  6. Step 6: Final answer
    x = 628,524.26

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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.