Home / 413,426.40-619,811.55-226,437.90

Finding the Fourth Proportional to 413,426.40, 619,811.55 and 226,437.90

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Solution

The fourth proportional to 413,426.40, 619,811.55 and 226,437.90 is: 339,477.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,426.40 : 619,811.55 = 226,437.90 : x
  2. Step 2: Convert to fraction form
    413,426.40/619,811.55 = 226,437.90/x
  3. Step 3: Cross multiply
    413,426.40x = 619,811.55 × 226,437.90
  4. Step 4: Simplify right side
    413,426.40x = 140,348,825,777.75
  5. Step 5: Solve for x
    x = 140,348,825,777.75/413,426.40
  6. Step 6: Final answer
    x = 339,477.17

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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.