Home / 658,267.15-985,804.52-455,293.61

Finding the Fourth Proportional to 658,267.15, 985,804.52 and 455,293.61

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Solution

The fourth proportional to 658,267.15, 985,804.52 and 455,293.61 is: 681,836.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,267.15 : 985,804.52 = 455,293.61 : x
  2. Step 2: Convert to fraction form
    658,267.15/985,804.52 = 455,293.61/x
  3. Step 3: Cross multiply
    658,267.15x = 985,804.52 × 455,293.61
  4. Step 4: Simplify right side
    658,267.15x = 448,830,493,736.10
  5. Step 5: Solve for x
    x = 448,830,493,736.10/658,267.15
  6. Step 6: Final answer
    x = 681,836.38

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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.