Home / 735,342.39-1,102,765.55-279,825.50

Finding the Fourth Proportional to 735,342.39, 1,102,765.55 and 279,825.50

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Solution

The fourth proportional to 735,342.39, 1,102,765.55 and 279,825.50 is: 419,643.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,342.39 : 1,102,765.55 = 279,825.50 : x
  2. Step 2: Convert to fraction form
    735,342.39/1,102,765.55 = 279,825.50/x
  3. Step 3: Cross multiply
    735,342.39x = 1,102,765.55 × 279,825.50
  4. Step 4: Simplify right side
    735,342.39x = 308,581,914,498.57
  5. Step 5: Solve for x
    x = 308,581,914,498.57/735,342.39
  6. Step 6: Final answer
    x = 419,643.85

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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.