Home / 672,284.35-1,008,426.53-520,069.15

Finding the Fourth Proportional to 672,284.35, 1,008,426.53 and 520,069.15

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Solution

The fourth proportional to 672,284.35, 1,008,426.53 and 520,069.15 is: 780,103.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,284.35 : 1,008,426.53 = 520,069.15 : x
  2. Step 2: Convert to fraction form
    672,284.35/1,008,426.53 = 520,069.15/x
  3. Step 3: Cross multiply
    672,284.35x = 1,008,426.53 × 520,069.15
  4. Step 4: Simplify right side
    672,284.35x = 524,451,528,294.55
  5. Step 5: Solve for x
    x = 524,451,528,294.55/672,284.35
  6. Step 6: Final answer
    x = 780,103.73

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Double scale
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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.