Home / 558,334.86-769,886.61-385,953.56

Finding the Fourth Proportional to 558,334.86, 769,886.61 and 385,953.56

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Solution

The fourth proportional to 558,334.86, 769,886.61 and 385,953.56 is: 532,190.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,334.86 : 769,886.61 = 385,953.56 : x
  2. Step 2: Convert to fraction form
    558,334.86/769,886.61 = 385,953.56/x
  3. Step 3: Cross multiply
    558,334.86x = 769,886.61 × 385,953.56
  4. Step 4: Simplify right side
    558,334.86x = 297,140,475,516.15
  5. Step 5: Solve for x
    x = 297,140,475,516.15/558,334.86
  6. Step 6: Final answer
    x = 532,190.44

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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.