Home / 803,199.42-1,205,166.88-347,929.86

Finding the Fourth Proportional to 803,199.42, 1,205,166.88 and 347,929.86

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Solution

The fourth proportional to 803,199.42, 1,205,166.88 and 347,929.86 is: 522,054.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,199.42 : 1,205,166.88 = 347,929.86 : x
  2. Step 2: Convert to fraction form
    803,199.42/1,205,166.88 = 347,929.86/x
  3. Step 3: Cross multiply
    803,199.42x = 1,205,166.88 × 347,929.86
  4. Step 4: Simplify right side
    803,199.42x = 419,313,543,835.04
  5. Step 5: Solve for x
    x = 419,313,543,835.04/803,199.42
  6. Step 6: Final answer
    x = 522,054.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.