Home / 833,099.28-1,248,807.34-328,014.64

Finding the Fourth Proportional to 833,099.28, 1,248,807.34 and 328,014.64

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Solution

The fourth proportional to 833,099.28, 1,248,807.34 and 328,014.64 is: 491,690.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,099.28 : 1,248,807.34 = 328,014.64 : x
  2. Step 2: Convert to fraction form
    833,099.28/1,248,807.34 = 328,014.64/x
  3. Step 3: Cross multiply
    833,099.28x = 1,248,807.34 × 328,014.64
  4. Step 4: Simplify right side
    833,099.28x = 409,627,090,059.46
  5. Step 5: Solve for x
    x = 409,627,090,059.46/833,099.28
  6. Step 6: Final answer
    x = 491,690.61

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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.