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Finding the Fourth Proportional to 556,977.53, 834,717.93 and 303,878.75

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Solution

The fourth proportional to 556,977.53, 834,717.93 and 303,878.75 is: 455,409.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,977.53 : 834,717.93 = 303,878.75 : x
  2. Step 2: Convert to fraction form
    556,977.53/834,717.93 = 303,878.75/x
  3. Step 3: Cross multiply
    556,977.53x = 834,717.93 × 303,878.75
  4. Step 4: Simplify right side
    556,977.53x = 253,653,043,257.78
  5. Step 5: Solve for x
    x = 253,653,043,257.78/556,977.53
  6. Step 6: Final answer
    x = 455,409.83

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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.