Home / 698,099.64-1,046,804.61-409,983.54

Finding the Fourth Proportional to 698,099.64, 1,046,804.61 and 409,983.54

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Solution

The fourth proportional to 698,099.64, 1,046,804.61 and 409,983.54 is: 614,772.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,099.64 : 1,046,804.61 = 409,983.54 : x
  2. Step 2: Convert to fraction form
    698,099.64/1,046,804.61 = 409,983.54/x
  3. Step 3: Cross multiply
    698,099.64x = 1,046,804.61 × 409,983.54
  4. Step 4: Simplify right side
    698,099.64x = 429,172,659,696.12
  5. Step 5: Solve for x
    x = 429,172,659,696.12/698,099.64
  6. Step 6: Final answer
    x = 614,772.78

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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.