Home / 682,430.20-1,023,645.30-303,350.20

Finding the Fourth Proportional to 682,430.20, 1,023,645.30 and 303,350.20

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Solution

The fourth proportional to 682,430.20, 1,023,645.30 and 303,350.20 is: 455,025.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,430.20 : 1,023,645.30 = 303,350.20 : x
  2. Step 2: Convert to fraction form
    682,430.20/1,023,645.30 = 303,350.20/x
  3. Step 3: Cross multiply
    682,430.20x = 1,023,645.30 × 303,350.20
  4. Step 4: Simplify right side
    682,430.20x = 310,523,006,484.06
  5. Step 5: Solve for x
    x = 310,523,006,484.06/682,430.20
  6. Step 6: Final answer
    x = 455,025.30

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Double scale
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Similar ratio
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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.