Home / 868,650.92-1,303,150.20-300,052.76

Finding the Fourth Proportional to 868,650.92, 1,303,150.20 and 300,052.76

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Solution

The fourth proportional to 868,650.92, 1,303,150.20 and 300,052.76 is: 450,139.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,650.92 : 1,303,150.20 = 300,052.76 : x
  2. Step 2: Convert to fraction form
    868,650.92/1,303,150.20 = 300,052.76/x
  3. Step 3: Cross multiply
    868,650.92x = 1,303,150.20 × 300,052.76
  4. Step 4: Simplify right side
    868,650.92x = 391,013,814,204.55
  5. Step 5: Solve for x
    x = 391,013,814,204.55/868,650.92
  6. Step 6: Final answer
    x = 450,139.18

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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.