Home / 923,287.20-1,385,125.20-292,264.80

Finding the Fourth Proportional to 923,287.20, 1,385,125.20 and 292,264.80

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Solution

The fourth proportional to 923,287.20, 1,385,125.20 and 292,264.80 is: 438,458.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,287.20 : 1,385,125.20 = 292,264.80 : x
  2. Step 2: Convert to fraction form
    923,287.20/1,385,125.20 = 292,264.80/x
  3. Step 3: Cross multiply
    923,287.20x = 1,385,125.20 × 292,264.80
  4. Step 4: Simplify right side
    923,287.20x = 404,823,339,552.96
  5. Step 5: Solve for x
    x = 404,823,339,552.96/923,287.20
  6. Step 6: Final answer
    x = 438,458.74

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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.