Home / 672,242.35-1,008,363.53-520,027.15

Finding the Fourth Proportional to 672,242.35, 1,008,363.53 and 520,027.15

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Solution

The fourth proportional to 672,242.35, 1,008,363.53 and 520,027.15 is: 780,040.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,242.35 : 1,008,363.53 = 520,027.15 : x
  2. Step 2: Convert to fraction form
    672,242.35/1,008,363.53 = 520,027.15/x
  3. Step 3: Cross multiply
    672,242.35x = 1,008,363.53 × 520,027.15
  4. Step 4: Simplify right side
    672,242.35x = 524,376,412,669.84
  5. Step 5: Solve for x
    x = 524,376,412,669.84/672,242.35
  6. Step 6: Final answer
    x = 780,040.73

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Similar ratio
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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.