Home / 384,390.52-577,178.34-325,196.79

Finding the Fourth Proportional to 384,390.52, 577,178.34 and 325,196.79

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Solution

The fourth proportional to 384,390.52, 577,178.34 and 325,196.79 is: 488,296.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,390.52 : 577,178.34 = 325,196.79 : x
  2. Step 2: Convert to fraction form
    384,390.52/577,178.34 = 325,196.79/x
  3. Step 3: Cross multiply
    384,390.52x = 577,178.34 × 325,196.79
  4. Step 4: Simplify right side
    384,390.52x = 187,696,542,682.51
  5. Step 5: Solve for x
    x = 187,696,542,682.51/384,390.52
  6. Step 6: Final answer
    x = 488,296.49

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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.