Home / 901,607.96-1,244,234.28-493,703.30

Finding the Fourth Proportional to 901,607.96, 1,244,234.28 and 493,703.30

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Solution

The fourth proportional to 901,607.96, 1,244,234.28 and 493,703.30 is: 681,318.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,607.96 : 1,244,234.28 = 493,703.30 : x
  2. Step 2: Convert to fraction form
    901,607.96/1,244,234.28 = 493,703.30/x
  3. Step 3: Cross multiply
    901,607.96x = 1,244,234.28 × 493,703.30
  4. Step 4: Simplify right side
    901,607.96x = 614,282,570,009.12
  5. Step 5: Solve for x
    x = 614,282,570,009.12/901,607.96
  6. Step 6: Final answer
    x = 681,318.93

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Double scale
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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.