Home / 639,035.46-881,838.16-348,629.74

Finding the Fourth Proportional to 639,035.46, 881,838.16 and 348,629.74

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Solution

The fourth proportional to 639,035.46, 881,838.16 and 348,629.74 is: 481,092.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,035.46 : 881,838.16 = 348,629.74 : x
  2. Step 2: Convert to fraction form
    639,035.46/881,838.16 = 348,629.74/x
  3. Step 3: Cross multiply
    639,035.46x = 881,838.16 × 348,629.74
  4. Step 4: Simplify right side
    639,035.46x = 307,435,005,366.71
  5. Step 5: Solve for x
    x = 307,435,005,366.71/639,035.46
  6. Step 6: Final answer
    x = 481,092.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.