Home / 988,818.85-1,483,097.12-278,904.07

Finding the Fourth Proportional to 988,818.85, 1,483,097.12 and 278,904.07

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Solution

The fourth proportional to 988,818.85, 1,483,097.12 and 278,904.07 is: 418,319.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,818.85 : 1,483,097.12 = 278,904.07 : x
  2. Step 2: Convert to fraction form
    988,818.85/1,483,097.12 = 278,904.07/x
  3. Step 3: Cross multiply
    988,818.85x = 1,483,097.12 × 278,904.07
  4. Step 4: Simplify right side
    988,818.85x = 413,641,814,163.27
  5. Step 5: Solve for x
    x = 413,641,814,163.27/988,818.85
  6. Step 6: Final answer
    x = 418,319.10

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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.