Home / 746,263.20-1,118,738.70-446,862.90

Finding the Fourth Proportional to 746,263.20, 1,118,738.70 and 446,862.90

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Solution

The fourth proportional to 746,263.20, 1,118,738.70 and 446,862.90 is: 669,901.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,263.20 : 1,118,738.70 = 446,862.90 : x
  2. Step 2: Convert to fraction form
    746,263.20/1,118,738.70 = 446,862.90/x
  3. Step 3: Cross multiply
    746,263.20x = 1,118,738.70 × 446,862.90
  4. Step 4: Simplify right side
    746,263.20x = 499,922,819,824.23
  5. Step 5: Solve for x
    x = 499,922,819,824.23/746,263.20
  6. Step 6: Final answer
    x = 669,901.48

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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.