Home / 945,416.80-1,416,942.60-472,234.24

Finding the Fourth Proportional to 945,416.80, 1,416,942.60 and 472,234.24

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Solution

The fourth proportional to 945,416.80, 1,416,942.60 and 472,234.24 is: 707,760.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,416.80 : 1,416,942.60 = 472,234.24 : x
  2. Step 2: Convert to fraction form
    945,416.80/1,416,942.60 = 472,234.24/x
  3. Step 3: Cross multiply
    945,416.80x = 1,416,942.60 × 472,234.24
  4. Step 4: Simplify right side
    945,416.80x = 669,128,811,834.62
  5. Step 5: Solve for x
    x = 669,128,811,834.62/945,416.80
  6. Step 6: Final answer
    x = 707,760.65

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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.