Home / 738,314.28-1,107,533.96-205,835.83

Finding the Fourth Proportional to 738,314.28, 1,107,533.96 and 205,835.83

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Solution

The fourth proportional to 738,314.28, 1,107,533.96 and 205,835.83 is: 308,771.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,314.28 : 1,107,533.96 = 205,835.83 : x
  2. Step 2: Convert to fraction form
    738,314.28/1,107,533.96 = 205,835.83/x
  3. Step 3: Cross multiply
    738,314.28x = 1,107,533.96 × 205,835.83
  4. Step 4: Simplify right side
    738,314.28x = 227,970,171,909.79
  5. Step 5: Solve for x
    x = 227,970,171,909.79/738,314.28
  6. Step 6: Final answer
    x = 308,771.18

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1.5x scale

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.