Home / 830,146.20-1,245,219.30-530,964.60

Finding the Fourth Proportional to 830,146.20, 1,245,219.30 and 530,964.60

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Solution

The fourth proportional to 830,146.20, 1,245,219.30 and 530,964.60 is: 796,446.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,146.20 : 1,245,219.30 = 530,964.60 : x
  2. Step 2: Convert to fraction form
    830,146.20/1,245,219.30 = 530,964.60/x
  3. Step 3: Cross multiply
    830,146.20x = 1,245,219.30 × 530,964.60
  4. Step 4: Simplify right side
    830,146.20x = 661,167,367,536.78
  5. Step 5: Solve for x
    x = 661,167,367,536.78/830,146.20
  6. Step 6: Final answer
    x = 796,446.90

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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.