Home / 527,093.08-727,379.63-285,373.69

Finding the Fourth Proportional to 527,093.08, 727,379.63 and 285,373.69

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Solution

The fourth proportional to 527,093.08, 727,379.63 and 285,373.69 is: 393,810.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,093.08 : 727,379.63 = 285,373.69 : x
  2. Step 2: Convert to fraction form
    527,093.08/727,379.63 = 285,373.69/x
  3. Step 3: Cross multiply
    527,093.08x = 727,379.63 × 285,373.69
  4. Step 4: Simplify right side
    527,093.08x = 207,575,009,043.94
  5. Step 5: Solve for x
    x = 207,575,009,043.94/527,093.08
  6. Step 6: Final answer
    x = 393,810.92

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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.