Home / 659,163.31-909,669.86-372,666.31

Finding the Fourth Proportional to 659,163.31, 909,669.86 and 372,666.31

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Solution

The fourth proportional to 659,163.31, 909,669.86 and 372,666.31 is: 514,293.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,163.31 : 909,669.86 = 372,666.31 : x
  2. Step 2: Convert to fraction form
    659,163.31/909,669.86 = 372,666.31/x
  3. Step 3: Cross multiply
    659,163.31x = 909,669.86 × 372,666.31
  4. Step 4: Simplify right side
    659,163.31x = 339,003,310,044.42
  5. Step 5: Solve for x
    x = 339,003,310,044.42/659,163.31
  6. Step 6: Final answer
    x = 514,293.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.