Home / 749,104.15-1,124,455.84-322,850.34

Finding the Fourth Proportional to 749,104.15, 1,124,455.84 and 322,850.34

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Solution

The fourth proportional to 749,104.15, 1,124,455.84 and 322,850.34 is: 484,620.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,104.15 : 1,124,455.84 = 322,850.34 : x
  2. Step 2: Convert to fraction form
    749,104.15/1,124,455.84 = 322,850.34/x
  3. Step 3: Cross multiply
    749,104.15x = 1,124,455.84 × 322,850.34
  4. Step 4: Simplify right side
    749,104.15x = 363,030,943,022.46
  5. Step 5: Solve for x
    x = 363,030,943,022.46/749,104.15
  6. Step 6: Final answer
    x = 484,620.12

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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.