Home / 880,905.12-1,321,444.88-281,715.72

Finding the Fourth Proportional to 880,905.12, 1,321,444.88 and 281,715.72

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Solution

The fourth proportional to 880,905.12, 1,321,444.88 and 281,715.72 is: 422,601.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,905.12 : 1,321,444.88 = 281,715.72 : x
  2. Step 2: Convert to fraction form
    880,905.12/1,321,444.88 = 281,715.72/x
  3. Step 3: Cross multiply
    880,905.12x = 1,321,444.88 × 281,715.72
  4. Step 4: Simplify right side
    880,905.12x = 372,271,795,809.51
  5. Step 5: Solve for x
    x = 372,271,795,809.51/880,905.12
  6. Step 6: Final answer
    x = 422,601.47

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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.