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Finding the Fourth Proportional to 610,239.65, 842,180.45 and 338,392.79

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Solution

The fourth proportional to 610,239.65, 842,180.45 and 338,392.79 is: 467,009.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,239.65 : 842,180.45 = 338,392.79 : x
  2. Step 2: Convert to fraction form
    610,239.65/842,180.45 = 338,392.79/x
  3. Step 3: Cross multiply
    610,239.65x = 842,180.45 × 338,392.79
  4. Step 4: Simplify right side
    610,239.65x = 284,987,786,256.09
  5. Step 5: Solve for x
    x = 284,987,786,256.09/610,239.65
  6. Step 6: Final answer
    x = 467,009.62

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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.