Home / 849,990.11-1,275,123.55-251,011.85

Finding the Fourth Proportional to 849,990.11, 1,275,123.55 and 251,011.85

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Solution

The fourth proportional to 849,990.11, 1,275,123.55 and 251,011.85 is: 376,558.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,990.11 : 1,275,123.55 = 251,011.85 : x
  2. Step 2: Convert to fraction form
    849,990.11/1,275,123.55 = 251,011.85/x
  3. Step 3: Cross multiply
    849,990.11x = 1,275,123.55 × 251,011.85
  4. Step 4: Simplify right side
    849,990.11x = 320,071,123,824.35
  5. Step 5: Solve for x
    x = 320,071,123,824.35/849,990.11
  6. Step 6: Final answer
    x = 376,558.64

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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.