Home / 1,002,912.79-1,504,417.79-328,934.47

Finding the Fourth Proportional to 1,002,912.79, 1,504,417.79 and 328,934.47

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Solution

The fourth proportional to 1,002,912.79, 1,504,417.79 and 328,934.47 is: 493,417.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,912.79 : 1,504,417.79 = 328,934.47 : x
  2. Step 2: Convert to fraction form
    1,002,912.79/1,504,417.79 = 328,934.47/x
  3. Step 3: Cross multiply
    1,002,912.79x = 1,504,417.79 × 328,934.47
  4. Step 4: Simplify right side
    1,002,912.79x = 494,854,868,412.22
  5. Step 5: Solve for x
    x = 494,854,868,412.22/1,002,912.79
  6. Step 6: Final answer
    x = 493,417.65

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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.