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Finding the Fourth Proportional to 662,787.96, 994,265.94 and 652,529.40

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Solution

The fourth proportional to 662,787.96, 994,265.94 and 652,529.40 is: 978,876.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,787.96 : 994,265.94 = 652,529.40 : x
  2. Step 2: Convert to fraction form
    662,787.96/994,265.94 = 652,529.40/x
  3. Step 3: Cross multiply
    662,787.96x = 994,265.94 × 652,529.40
  4. Step 4: Simplify right side
    662,787.96x = 648,787,757,268.64
  5. Step 5: Solve for x
    x = 648,787,757,268.64/662,787.96
  6. Step 6: Final answer
    x = 978,876.80

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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.