Home / 715,057.83-1,070,953.79-341,343.27

Finding the Fourth Proportional to 715,057.83, 1,070,953.79 and 341,343.27

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Solution

The fourth proportional to 715,057.83, 1,070,953.79 and 341,343.27 is: 511,235.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,057.83 : 1,070,953.79 = 341,343.27 : x
  2. Step 2: Convert to fraction form
    715,057.83/1,070,953.79 = 341,343.27/x
  3. Step 3: Cross multiply
    715,057.83x = 1,070,953.79 × 341,343.27
  4. Step 4: Simplify right side
    715,057.83x = 365,562,866,990.78
  5. Step 5: Solve for x
    x = 365,562,866,990.78/715,057.83
  6. Step 6: Final answer
    x = 511,235.39

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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.