Home / 880,904.10-1,321,443.36-281,714.70

Finding the Fourth Proportional to 880,904.10, 1,321,443.36 and 281,714.70

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Solution

The fourth proportional to 880,904.10, 1,321,443.36 and 281,714.70 is: 422,599.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,904.10 : 1,321,443.36 = 281,714.70 : x
  2. Step 2: Convert to fraction form
    880,904.10/1,321,443.36 = 281,714.70/x
  3. Step 3: Cross multiply
    880,904.10x = 1,321,443.36 × 281,714.70
  4. Step 4: Simplify right side
    880,904.10x = 372,270,019,729.39
  5. Step 5: Solve for x
    x = 372,270,019,729.39/880,904.10
  6. Step 6: Final answer
    x = 422,599.94

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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.