Home / 497,981.46-746,977.32-142,994.64

Finding the Fourth Proportional to 497,981.46, 746,977.32 and 142,994.64

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Solution

The fourth proportional to 497,981.46, 746,977.32 and 142,994.64 is: 214,493.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,981.46 : 746,977.32 = 142,994.64 : x
  2. Step 2: Convert to fraction form
    497,981.46/746,977.32 = 142,994.64/x
  3. Step 3: Cross multiply
    497,981.46x = 746,977.32 × 142,994.64
  4. Step 4: Simplify right side
    497,981.46x = 106,813,752,961.57
  5. Step 5: Solve for x
    x = 106,813,752,961.57/497,981.46
  6. Step 6: Final answer
    x = 214,493.43

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Double scale
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Similar ratio
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1.5x scale

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.