Home / 677,304.80-1,015,885.92-277,987.84

Finding the Fourth Proportional to 677,304.80, 1,015,885.92 and 277,987.84

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Solution

The fourth proportional to 677,304.80, 1,015,885.92 and 277,987.84 is: 416,952.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,304.80 : 1,015,885.92 = 277,987.84 : x
  2. Step 2: Convert to fraction form
    677,304.80/1,015,885.92 = 277,987.84/x
  3. Step 3: Cross multiply
    677,304.80x = 1,015,885.92 × 277,987.84
  4. Step 4: Simplify right side
    677,304.80x = 282,403,932,587.21
  5. Step 5: Solve for x
    x = 282,403,932,587.21/677,304.80
  6. Step 6: Final answer
    x = 416,952.50

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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.