Home / 674,498.74-929,759.66-459,268.78

Finding the Fourth Proportional to 674,498.74, 929,759.66 and 459,268.78

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Solution

The fourth proportional to 674,498.74, 929,759.66 and 459,268.78 is: 633,076.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,498.74 : 929,759.66 = 459,268.78 : x
  2. Step 2: Convert to fraction form
    674,498.74/929,759.66 = 459,268.78/x
  3. Step 3: Cross multiply
    674,498.74x = 929,759.66 × 459,268.78
  4. Step 4: Simplify right side
    674,498.74x = 427,009,583,565.19
  5. Step 5: Solve for x
    x = 427,009,583,565.19/674,498.74
  6. Step 6: Final answer
    x = 633,076.92

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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.