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Finding the Fourth Proportional to 672,238.86, 927,684.63 and 370,432.86

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Solution

The fourth proportional to 672,238.86, 927,684.63 and 370,432.86 is: 511,194.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,238.86 : 927,684.63 = 370,432.86 : x
  2. Step 2: Convert to fraction form
    672,238.86/927,684.63 = 370,432.86/x
  3. Step 3: Cross multiply
    672,238.86x = 927,684.63 × 370,432.86
  4. Step 4: Simplify right side
    672,238.86x = 343,644,870,668.94
  5. Step 5: Solve for x
    x = 343,644,870,668.94/672,238.86
  6. Step 6: Final answer
    x = 511,194.59

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1.5x scale

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.