Home / 868,604.50-1,198,723.42-486,754.30

Finding the Fourth Proportional to 868,604.50, 1,198,723.42 and 486,754.30

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Solution

The fourth proportional to 868,604.50, 1,198,723.42 and 486,754.30 is: 671,748.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,604.50 : 1,198,723.42 = 486,754.30 : x
  2. Step 2: Convert to fraction form
    868,604.50/1,198,723.42 = 486,754.30/x
  3. Step 3: Cross multiply
    868,604.50x = 1,198,723.42 × 486,754.30
  4. Step 4: Simplify right side
    868,604.50x = 583,483,779,195.71
  5. Step 5: Solve for x
    x = 583,483,779,195.71/868,604.50
  6. Step 6: Final answer
    x = 671,748.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.