Home / 738,313.91-1,107,533.39-205,835.45

Finding the Fourth Proportional to 738,313.91, 1,107,533.39 and 205,835.45

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Solution

The fourth proportional to 738,313.91, 1,107,533.39 and 205,835.45 is: 308,770.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,313.91 : 1,107,533.39 = 205,835.45 : x
  2. Step 2: Convert to fraction form
    738,313.91/1,107,533.39 = 205,835.45/x
  3. Step 3: Cross multiply
    738,313.91x = 1,107,533.39 × 205,835.45
  4. Step 4: Simplify right side
    738,313.91x = 227,969,627,153.83
  5. Step 5: Solve for x
    x = 227,969,627,153.83/738,313.91
  6. Step 6: Final answer
    x = 308,770.60

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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.