Home / 554,178.21-764,766.05-299,528.61

Finding the Fourth Proportional to 554,178.21, 764,766.05 and 299,528.61

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Solution

The fourth proportional to 554,178.21, 764,766.05 and 299,528.61 is: 413,349.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,178.21 : 764,766.05 = 299,528.61 : x
  2. Step 2: Convert to fraction form
    554,178.21/764,766.05 = 299,528.61/x
  3. Step 3: Cross multiply
    554,178.21x = 764,766.05 × 299,528.61
  4. Step 4: Simplify right side
    554,178.21x = 229,069,310,434.05
  5. Step 5: Solve for x
    x = 229,069,310,434.05/554,178.21
  6. Step 6: Final answer
    x = 413,349.54

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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.