Home / 659,359.23-909,935.55-372,873.57

Finding the Fourth Proportional to 659,359.23, 909,935.55 and 372,873.57

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Solution

The fourth proportional to 659,359.23, 909,935.55 and 372,873.57 is: 514,576.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,359.23 : 909,935.55 = 372,873.57 : x
  2. Step 2: Convert to fraction form
    659,359.23/909,935.55 = 372,873.57/x
  3. Step 3: Cross multiply
    659,359.23x = 909,935.55 × 372,873.57
  4. Step 4: Simplify right side
    659,359.23x = 339,290,916,998.41
  5. Step 5: Solve for x
    x = 339,290,916,998.41/659,359.23
  6. Step 6: Final answer
    x = 514,576.73

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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.