Home / 677,497.20-1,016,245.80-277,932.30

Finding the Fourth Proportional to 677,497.20, 1,016,245.80 and 277,932.30

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Solution

The fourth proportional to 677,497.20, 1,016,245.80 and 277,932.30 is: 416,898.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,497.20 : 1,016,245.80 = 277,932.30 : x
  2. Step 2: Convert to fraction form
    677,497.20/1,016,245.80 = 277,932.30/x
  3. Step 3: Cross multiply
    677,497.20x = 1,016,245.80 × 277,932.30
  4. Step 4: Simplify right side
    677,497.20x = 282,447,532,559.34
  5. Step 5: Solve for x
    x = 282,447,532,559.34/677,497.20
  6. Step 6: Final answer
    x = 416,898.45

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Double scale
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Similar ratio
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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.