Home / 745,601.22-1,028,929.50-406,069.47

Finding the Fourth Proportional to 745,601.22, 1,028,929.50 and 406,069.47

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Solution

The fourth proportional to 745,601.22, 1,028,929.50 and 406,069.47 is: 560,375.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,601.22 : 1,028,929.50 = 406,069.47 : x
  2. Step 2: Convert to fraction form
    745,601.22/1,028,929.50 = 406,069.47/x
  3. Step 3: Cross multiply
    745,601.22x = 1,028,929.50 × 406,069.47
  4. Step 4: Simplify right side
    745,601.22x = 417,816,856,732.37
  5. Step 5: Solve for x
    x = 417,816,856,732.37/745,601.22
  6. Step 6: Final answer
    x = 560,375.77

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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.