Home / 777,059.54-1,165,294.05-371,835.78

Finding the Fourth Proportional to 777,059.54, 1,165,294.05 and 371,835.78

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Solution

The fourth proportional to 777,059.54, 1,165,294.05 and 371,835.78 is: 557,612.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,059.54 : 1,165,294.05 = 371,835.78 : x
  2. Step 2: Convert to fraction form
    777,059.54/1,165,294.05 = 371,835.78/x
  3. Step 3: Cross multiply
    777,059.54x = 1,165,294.05 × 371,835.78
  4. Step 4: Simplify right side
    777,059.54x = 433,298,022,011.11
  5. Step 5: Solve for x
    x = 433,298,022,011.11/777,059.54
  6. Step 6: Final answer
    x = 557,612.38

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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.