Home / 880,094.20-1,320,659.70-319,055.80

Finding the Fourth Proportional to 880,094.20, 1,320,659.70 and 319,055.80

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Solution

The fourth proportional to 880,094.20, 1,320,659.70 and 319,055.80 is: 478,771.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,094.20 : 1,320,659.70 = 319,055.80 : x
  2. Step 2: Convert to fraction form
    880,094.20/1,320,659.70 = 319,055.80/x
  3. Step 3: Cross multiply
    880,094.20x = 1,320,659.70 × 319,055.80
  4. Step 4: Simplify right side
    880,094.20x = 421,364,137,111.26
  5. Step 5: Solve for x
    x = 421,364,137,111.26/880,094.20
  6. Step 6: Final answer
    x = 478,771.63

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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.