Home / 632,847.94-949,928.04-423,945.70

Finding the Fourth Proportional to 632,847.94, 949,928.04 and 423,945.70

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Solution

The fourth proportional to 632,847.94, 949,928.04 and 423,945.70 is: 636,358.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,847.94 : 949,928.04 = 423,945.70 : x
  2. Step 2: Convert to fraction form
    632,847.94/949,928.04 = 423,945.70/x
  3. Step 3: Cross multiply
    632,847.94x = 949,928.04 × 423,945.70
  4. Step 4: Simplify right side
    632,847.94x = 402,717,905,747.70
  5. Step 5: Solve for x
    x = 402,717,905,747.70/632,847.94
  6. Step 6: Final answer
    x = 636,358.09

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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.