Home / 815,501.52-1,223,284.68-254,536.02

Finding the Fourth Proportional to 815,501.52, 1,223,284.68 and 254,536.02

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Solution

The fourth proportional to 815,501.52, 1,223,284.68 and 254,536.02 is: 381,814.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,501.52 : 1,223,284.68 = 254,536.02 : x
  2. Step 2: Convert to fraction form
    815,501.52/1,223,284.68 = 254,536.02/x
  3. Step 3: Cross multiply
    815,501.52x = 1,223,284.68 × 254,536.02
  4. Step 4: Simplify right side
    815,501.52x = 311,370,013,774.17
  5. Step 5: Solve for x
    x = 311,370,013,774.17/815,501.52
  6. Step 6: Final answer
    x = 381,814.14

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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.