Home / 988,835.14-1,483,121.04-278,920.36

Finding the Fourth Proportional to 988,835.14, 1,483,121.04 and 278,920.36

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Solution

The fourth proportional to 988,835.14, 1,483,121.04 and 278,920.36 is: 418,343.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,835.14 : 1,483,121.04 = 278,920.36 : x
  2. Step 2: Convert to fraction form
    988,835.14/1,483,121.04 = 278,920.36/x
  3. Step 3: Cross multiply
    988,835.14x = 1,483,121.04 × 278,920.36
  4. Step 4: Simplify right side
    988,835.14x = 413,672,655,208.32
  5. Step 5: Solve for x
    x = 413,672,655,208.32/988,835.14
  6. Step 6: Final answer
    x = 418,343.40

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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.