Home / 767,771.80-1,152,003.30-368,258.20

Finding the Fourth Proportional to 767,771.80, 1,152,003.30 and 368,258.20

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Solution

The fourth proportional to 767,771.80, 1,152,003.30 and 368,258.20 is: 552,553.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,771.80 : 1,152,003.30 = 368,258.20 : x
  2. Step 2: Convert to fraction form
    767,771.80/1,152,003.30 = 368,258.20/x
  3. Step 3: Cross multiply
    767,771.80x = 1,152,003.30 × 368,258.20
  4. Step 4: Simplify right side
    767,771.80x = 424,234,661,652.06
  5. Step 5: Solve for x
    x = 424,234,661,652.06/767,771.80
  6. Step 6: Final answer
    x = 552,553.07

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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.