Home / 630,766.71-945,587.39-231,314.13

Finding the Fourth Proportional to 630,766.71, 945,587.39 and 231,314.13

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Solution

The fourth proportional to 630,766.71, 945,587.39 and 231,314.13 is: 346,764.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,766.71 : 945,587.39 = 231,314.13 : x
  2. Step 2: Convert to fraction form
    630,766.71/945,587.39 = 231,314.13/x
  3. Step 3: Cross multiply
    630,766.71x = 945,587.39 × 231,314.13
  4. Step 4: Simplify right side
    630,766.71x = 218,727,723,300.25
  5. Step 5: Solve for x
    x = 218,727,723,300.25/630,766.71
  6. Step 6: Final answer
    x = 346,764.85

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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.