Home / 659,674.20-910,448.28-417,979.41

Finding the Fourth Proportional to 659,674.20, 910,448.28 and 417,979.41

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Solution

The fourth proportional to 659,674.20, 910,448.28 and 417,979.41 is: 576,873.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,674.20 : 910,448.28 = 417,979.41 : x
  2. Step 2: Convert to fraction form
    659,674.20/910,448.28 = 417,979.41/x
  3. Step 3: Cross multiply
    659,674.20x = 910,448.28 × 417,979.41
  4. Step 4: Simplify right side
    659,674.20x = 380,548,634,909.92
  5. Step 5: Solve for x
    x = 380,548,634,909.92/659,674.20
  6. Step 6: Final answer
    x = 576,873.61

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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.