Home / 535,830.14-739,455.15-294,135.21

Finding the Fourth Proportional to 535,830.14, 739,455.15 and 294,135.21

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Solution

The fourth proportional to 535,830.14, 739,455.15 and 294,135.21 is: 405,911.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,830.14 : 739,455.15 = 294,135.21 : x
  2. Step 2: Convert to fraction form
    535,830.14/739,455.15 = 294,135.21/x
  3. Step 3: Cross multiply
    535,830.14x = 739,455.15 × 294,135.21
  4. Step 4: Simplify right side
    535,830.14x = 217,499,795,830.83
  5. Step 5: Solve for x
    x = 217,499,795,830.83/535,830.14
  6. Step 6: Final answer
    x = 405,911.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.