Home / 880,535.52-1,215,173.84-493,354.28

Finding the Fourth Proportional to 880,535.52, 1,215,173.84 and 493,354.28

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Solution

The fourth proportional to 880,535.52, 1,215,173.84 and 493,354.28 is: 680,848.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,535.52 : 1,215,173.84 = 493,354.28 : x
  2. Step 2: Convert to fraction form
    880,535.52/1,215,173.84 = 493,354.28/x
  3. Step 3: Cross multiply
    880,535.52x = 1,215,173.84 × 493,354.28
  4. Step 4: Simplify right side
    880,535.52x = 599,511,214,908.04
  5. Step 5: Solve for x
    x = 599,511,214,908.04/880,535.52
  6. Step 6: Final answer
    x = 680,848.42

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Double scale
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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.