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Finding the Fourth Proportional to 670,927, 925,879.26 and 369,114.52

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Solution

The fourth proportional to 670,927, 925,879.26 and 369,114.52 is: 509,378.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,927 : 925,879.26 = 369,114.52 : x
  2. Step 2: Convert to fraction form
    670,927/925,879.26 = 369,114.52/x
  3. Step 3: Cross multiply
    670,927x = 925,879.26 × 369,114.52
  4. Step 4: Simplify right side
    670,927x = 341,755,478,632.86
  5. Step 5: Solve for x
    x = 341,755,478,632.86/670,927
  6. Step 6: Final answer
    x = 509,378.04

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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.