Home / 799,836.92-1,199,513.04-420,553.28

Finding the Fourth Proportional to 799,836.92, 1,199,513.04 and 420,553.28

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Solution

The fourth proportional to 799,836.92, 1,199,513.04 and 420,553.28 is: 630,702.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,836.92 : 1,199,513.04 = 420,553.28 : x
  2. Step 2: Convert to fraction form
    799,836.92/1,199,513.04 = 420,553.28/x
  3. Step 3: Cross multiply
    799,836.92x = 1,199,513.04 × 420,553.28
  4. Step 4: Simplify right side
    799,836.92x = 504,459,143,374.77
  5. Step 5: Solve for x
    x = 504,459,143,374.77/799,836.92
  6. Step 6: Final answer
    x = 630,702.50

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Double scale
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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.