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Finding the Fourth Proportional to 666,037.46, 999,449.86 and 245,608.58

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Solution

The fourth proportional to 666,037.46, 999,449.86 and 245,608.58 is: 368,558.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,037.46 : 999,449.86 = 245,608.58 : x
  2. Step 2: Convert to fraction form
    666,037.46/999,449.86 = 245,608.58/x
  3. Step 3: Cross multiply
    666,037.46x = 999,449.86 × 245,608.58
  4. Step 4: Simplify right side
    666,037.46x = 245,473,460,895.80
  5. Step 5: Solve for x
    x = 245,473,460,895.80/666,037.46
  6. Step 6: Final answer
    x = 368,558.04

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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.