Home / 908,359.86-1,253,476.44-545,799

Finding the Fourth Proportional to 908,359.86, 1,253,476.44 and 545,799

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Solution

The fourth proportional to 908,359.86, 1,253,476.44 and 545,799 is: 753,166.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,359.86 : 1,253,476.44 = 545,799 : x
  2. Step 2: Convert to fraction form
    908,359.86/1,253,476.44 = 545,799/x
  3. Step 3: Cross multiply
    908,359.86x = 1,253,476.44 × 545,799
  4. Step 4: Simplify right side
    908,359.86x = 684,146,187,475.56
  5. Step 5: Solve for x
    x = 684,146,187,475.56/908,359.86
  6. Step 6: Final answer
    x = 753,166.47

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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.