Home / 720,832.56-1,080,916.02-265,309.37

Finding the Fourth Proportional to 720,832.56, 1,080,916.02 and 265,309.37

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Solution

The fourth proportional to 720,832.56, 1,080,916.02 and 265,309.37 is: 397,841.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,832.56 : 1,080,916.02 = 265,309.37 : x
  2. Step 2: Convert to fraction form
    720,832.56/1,080,916.02 = 265,309.37/x
  3. Step 3: Cross multiply
    720,832.56x = 1,080,916.02 × 265,309.37
  4. Step 4: Simplify right side
    720,832.56x = 286,777,154,644.06
  5. Step 5: Solve for x
    x = 286,777,154,644.06/720,832.56
  6. Step 6: Final answer
    x = 397,841.57

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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.