Home / 527,150.36-727,467.93-285,433.07

Finding the Fourth Proportional to 527,150.36, 727,467.93 and 285,433.07

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Solution

The fourth proportional to 527,150.36, 727,467.93 and 285,433.07 is: 393,897.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,150.36 : 727,467.93 = 285,433.07 : x
  2. Step 2: Convert to fraction form
    527,150.36/727,467.93 = 285,433.07/x
  3. Step 3: Cross multiply
    527,150.36x = 727,467.93 × 285,433.07
  4. Step 4: Simplify right side
    527,150.36x = 207,643,400,949.11
  5. Step 5: Solve for x
    x = 207,643,400,949.11/527,150.36
  6. Step 6: Final answer
    x = 393,897.86

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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.