Home / 880,774.70-1,215,394.88-488,318.16

Finding the Fourth Proportional to 880,774.70, 1,215,394.88 and 488,318.16

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Solution

The fourth proportional to 880,774.70, 1,215,394.88 and 488,318.16 is: 673,837.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,774.70 : 1,215,394.88 = 488,318.16 : x
  2. Step 2: Convert to fraction form
    880,774.70/1,215,394.88 = 488,318.16/x
  3. Step 3: Cross multiply
    880,774.70x = 1,215,394.88 × 488,318.16
  4. Step 4: Simplify right side
    880,774.70x = 593,499,385,398.05
  5. Step 5: Solve for x
    x = 593,499,385,398.05/880,774.70
  6. Step 6: Final answer
    x = 673,837.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.