Home / 677,498.94-1,016,642.07-303,521.94

Finding the Fourth Proportional to 677,498.94, 1,016,642.07 and 303,521.94

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Solution

The fourth proportional to 677,498.94, 1,016,642.07 and 303,521.94 is: 455,459.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,498.94 : 1,016,642.07 = 303,521.94 : x
  2. Step 2: Convert to fraction form
    677,498.94/1,016,642.07 = 303,521.94/x
  3. Step 3: Cross multiply
    677,498.94x = 1,016,642.07 × 303,521.94
  4. Step 4: Simplify right side
    677,498.94x = 308,573,173,372.02
  5. Step 5: Solve for x
    x = 308,573,173,372.02/677,498.94
  6. Step 6: Final answer
    x = 455,459.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.