Home / 690,388.52-952,733.14-384,468.53

Finding the Fourth Proportional to 690,388.52, 952,733.14 and 384,468.53

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Solution

The fourth proportional to 690,388.52, 952,733.14 and 384,468.53 is: 530,564.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,388.52 : 952,733.14 = 384,468.53 : x
  2. Step 2: Convert to fraction form
    690,388.52/952,733.14 = 384,468.53/x
  3. Step 3: Cross multiply
    690,388.52x = 952,733.14 × 384,468.53
  4. Step 4: Simplify right side
    690,388.52x = 366,295,904,093.25
  5. Step 5: Solve for x
    x = 366,295,904,093.25/690,388.52
  6. Step 6: Final answer
    x = 530,564.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.