Home / 791,001.78-1,186,704.36-230,036.28

Finding the Fourth Proportional to 791,001.78, 1,186,704.36 and 230,036.28

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Solution

The fourth proportional to 791,001.78, 1,186,704.36 and 230,036.28 is: 345,113.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,001.78 : 1,186,704.36 = 230,036.28 : x
  2. Step 2: Convert to fraction form
    791,001.78/1,186,704.36 = 230,036.28/x
  3. Step 3: Cross multiply
    791,001.78x = 1,186,704.36 × 230,036.28
  4. Step 4: Simplify right side
    791,001.78x = 272,985,056,434.18
  5. Step 5: Solve for x
    x = 272,985,056,434.18/791,001.78
  6. Step 6: Final answer
    x = 345,113.07

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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.