Home / 535,462.20-738,933.53-290,446.35

Finding the Fourth Proportional to 535,462.20, 738,933.53 and 290,446.35

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Solution

The fourth proportional to 535,462.20, 738,933.53 and 290,446.35 is: 400,813.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,462.20 : 738,933.53 = 290,446.35 : x
  2. Step 2: Convert to fraction form
    535,462.20/738,933.53 = 290,446.35/x
  3. Step 3: Cross multiply
    535,462.20x = 738,933.53 × 290,446.35
  4. Step 4: Simplify right side
    535,462.20x = 214,620,545,228.88
  5. Step 5: Solve for x
    x = 214,620,545,228.88/535,462.20
  6. Step 6: Final answer
    x = 400,813.62

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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.