Home / 868,646.92-1,303,144.20-300,048.76

Finding the Fourth Proportional to 868,646.92, 1,303,144.20 and 300,048.76

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Solution

The fourth proportional to 868,646.92, 1,303,144.20 and 300,048.76 is: 450,133.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,646.92 : 1,303,144.20 = 300,048.76 : x
  2. Step 2: Convert to fraction form
    868,646.92/1,303,144.20 = 300,048.76/x
  3. Step 3: Cross multiply
    868,646.92x = 1,303,144.20 × 300,048.76
  4. Step 4: Simplify right side
    868,646.92x = 391,006,801,311.19
  5. Step 5: Solve for x
    x = 391,006,801,311.19/868,646.92
  6. Step 6: Final answer
    x = 450,133.18

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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.