Home / 677,967.58-1,016,950.35-278,326.82

Finding the Fourth Proportional to 677,967.58, 1,016,950.35 and 278,326.82

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Solution

The fourth proportional to 677,967.58, 1,016,950.35 and 278,326.82 is: 417,489.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,967.58 : 1,016,950.35 = 278,326.82 : x
  2. Step 2: Convert to fraction form
    677,967.58/1,016,950.35 = 278,326.82/x
  3. Step 3: Cross multiply
    677,967.58x = 1,016,950.35 × 278,326.82
  4. Step 4: Simplify right side
    677,967.58x = 283,044,557,013.39
  5. Step 5: Solve for x
    x = 283,044,557,013.39/677,967.58
  6. Step 6: Final answer
    x = 417,489.81

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1.5x scale

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.