Home / 842,994.28-1,163,329.60-455,806.95

Finding the Fourth Proportional to 842,994.28, 1,163,329.60 and 455,806.95

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Solution

The fourth proportional to 842,994.28, 1,163,329.60 and 455,806.95 is: 629,012.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,994.28 : 1,163,329.60 = 455,806.95 : x
  2. Step 2: Convert to fraction form
    842,994.28/1,163,329.60 = 455,806.95/x
  3. Step 3: Cross multiply
    842,994.28x = 1,163,329.60 × 455,806.95
  4. Step 4: Simplify right side
    842,994.28x = 530,253,716,820.72
  5. Step 5: Solve for x
    x = 530,253,716,820.72/842,994.28
  6. Step 6: Final answer
    x = 629,012.24

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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.