Home / 659,166.12-909,644.04-372,742.56

Finding the Fourth Proportional to 659,166.12, 909,644.04 and 372,742.56

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Solution

The fourth proportional to 659,166.12, 909,644.04 and 372,742.56 is: 514,381.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,166.12 : 909,644.04 = 372,742.56 : x
  2. Step 2: Convert to fraction form
    659,166.12/909,644.04 = 372,742.56/x
  3. Step 3: Cross multiply
    659,166.12x = 909,644.04 × 372,742.56
  4. Step 4: Simplify right side
    659,166.12x = 339,063,048,158.34
  5. Step 5: Solve for x
    x = 339,063,048,158.34/659,166.12
  6. Step 6: Final answer
    x = 514,381.79

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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.