Home / 886,943.82-1,330,450.02-310,455.48

Finding the Fourth Proportional to 886,943.82, 1,330,450.02 and 310,455.48

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Solution

The fourth proportional to 886,943.82, 1,330,450.02 and 310,455.48 is: 465,695.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,943.82 : 1,330,450.02 = 310,455.48 : x
  2. Step 2: Convert to fraction form
    886,943.82/1,330,450.02 = 310,455.48/x
  3. Step 3: Cross multiply
    886,943.82x = 1,330,450.02 × 310,455.48
  4. Step 4: Simplify right side
    886,943.82x = 413,045,499,575.11
  5. Step 5: Solve for x
    x = 413,045,499,575.11/886,943.82
  6. Step 6: Final answer
    x = 465,695.22

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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.