Home / 938,296.04-1,406,355.33-431,793.68

Finding the Fourth Proportional to 938,296.04, 1,406,355.33 and 431,793.68

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Solution

The fourth proportional to 938,296.04, 1,406,355.33 and 431,793.68 is: 647,189.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,296.04 : 1,406,355.33 = 431,793.68 : x
  2. Step 2: Convert to fraction form
    938,296.04/1,406,355.33 = 431,793.68/x
  3. Step 3: Cross multiply
    938,296.04x = 1,406,355.33 × 431,793.68
  4. Step 4: Simplify right side
    938,296.04x = 607,255,336,296.54
  5. Step 5: Solve for x
    x = 607,255,336,296.54/938,296.04
  6. Step 6: Final answer
    x = 647,189.49

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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.