Home / 830,964.66-1,245,462.83-381,306.52

Finding the Fourth Proportional to 830,964.66, 1,245,462.83 and 381,306.52

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Solution

The fourth proportional to 830,964.66, 1,245,462.83 and 381,306.52 is: 571,508.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,964.66 : 1,245,462.83 = 381,306.52 : x
  2. Step 2: Convert to fraction form
    830,964.66/1,245,462.83 = 381,306.52/x
  3. Step 3: Cross multiply
    830,964.66x = 1,245,462.83 × 381,306.52
  4. Step 4: Simplify right side
    830,964.66x = 474,903,097,496.65
  5. Step 5: Solve for x
    x = 474,903,097,496.65/830,964.66
  6. Step 6: Final answer
    x = 571,508.18

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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.