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Finding the Fourth Proportional to 606,920.20, 910,161.60 and 307,301.20

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Solution

The fourth proportional to 606,920.20, 910,161.60 and 307,301.20 is: 460,841.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,920.20 : 910,161.60 = 307,301.20 : x
  2. Step 2: Convert to fraction form
    606,920.20/910,161.60 = 307,301.20/x
  3. Step 3: Cross multiply
    606,920.20x = 910,161.60 × 307,301.20
  4. Step 4: Simplify right side
    606,920.20x = 279,693,751,873.92
  5. Step 5: Solve for x
    x = 279,693,751,873.92/606,920.20
  6. Step 6: Final answer
    x = 460,841.07

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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.