Home / 1,002,488.35-1,503,131.97-319,080.01

Finding the Fourth Proportional to 1,002,488.35, 1,503,131.97 and 319,080.01

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Solution

The fourth proportional to 1,002,488.35, 1,503,131.97 and 319,080.01 is: 478,428.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,488.35 : 1,503,131.97 = 319,080.01 : x
  2. Step 2: Convert to fraction form
    1,002,488.35/1,503,131.97 = 319,080.01/x
  3. Step 3: Cross multiply
    1,002,488.35x = 1,503,131.97 × 319,080.01
  4. Step 4: Simplify right side
    1,002,488.35x = 479,619,357,699.81
  5. Step 5: Solve for x
    x = 479,619,357,699.81/1,002,488.35
  6. Step 6: Final answer
    x = 478,428.86

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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.