Home / 659,213.10-909,733.26-372,727.02

Finding the Fourth Proportional to 659,213.10, 909,733.26 and 372,727.02

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Solution

The fourth proportional to 659,213.10, 909,733.26 and 372,727.02 is: 514,374.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,213.10 : 909,733.26 = 372,727.02 : x
  2. Step 2: Convert to fraction form
    659,213.10/909,733.26 = 372,727.02/x
  3. Step 3: Cross multiply
    659,213.10x = 909,733.26 × 372,727.02
  4. Step 4: Simplify right side
    659,213.10x = 339,082,166,994.69
  5. Step 5: Solve for x
    x = 339,082,166,994.69/659,213.10
  6. Step 6: Final answer
    x = 514,374.13

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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.