Home / 888,621.75-1,333,037.66-312,068.61

Finding the Fourth Proportional to 888,621.75, 1,333,037.66 and 312,068.61

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Solution

The fourth proportional to 888,621.75, 1,333,037.66 and 312,068.61 is: 468,139.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,621.75 : 1,333,037.66 = 312,068.61 : x
  2. Step 2: Convert to fraction form
    888,621.75/1,333,037.66 = 312,068.61/x
  3. Step 3: Cross multiply
    888,621.75x = 1,333,037.66 × 312,068.61
  4. Step 4: Simplify right side
    888,621.75x = 415,999,208,073.51
  5. Step 5: Solve for x
    x = 415,999,208,073.51/888,621.75
  6. Step 6: Final answer
    x = 468,139.80

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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.