Home / 440,834.88-608,123.52-304,996.80

Finding the Fourth Proportional to 440,834.88, 608,123.52 and 304,996.80

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Solution

The fourth proportional to 440,834.88, 608,123.52 and 304,996.80 is: 420,737.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,834.88 : 608,123.52 = 304,996.80 : x
  2. Step 2: Convert to fraction form
    440,834.88/608,123.52 = 304,996.80/x
  3. Step 3: Cross multiply
    440,834.88x = 608,123.52 × 304,996.80
  4. Step 4: Simplify right side
    440,834.88x = 185,475,727,604.74
  5. Step 5: Solve for x
    x = 185,475,727,604.74/440,834.88
  6. Step 6: Final answer
    x = 420,737.41

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1.5x scale

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.