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Finding the Fourth Proportional to 673,287.62, 928,296.52 and 431,172.14

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Solution

The fourth proportional to 673,287.62, 928,296.52 and 431,172.14 is: 594,479.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,287.62 : 928,296.52 = 431,172.14 : x
  2. Step 2: Convert to fraction form
    673,287.62/928,296.52 = 431,172.14/x
  3. Step 3: Cross multiply
    673,287.62x = 928,296.52 × 431,172.14
  4. Step 4: Simplify right side
    673,287.62x = 400,255,591,363.54
  5. Step 5: Solve for x
    x = 400,255,591,363.54/673,287.62
  6. Step 6: Final answer
    x = 594,479.36

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1.5x scale

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.