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Finding the Fourth Proportional to 830,576, 1,246,072.08 and 239,600

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Solution

The fourth proportional to 830,576, 1,246,072.08 and 239,600 is: 359,460.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,576 : 1,246,072.08 = 239,600 : x
  2. Step 2: Convert to fraction form
    830,576/1,246,072.08 = 239,600/x
  3. Step 3: Cross multiply
    830,576x = 1,246,072.08 × 239,600
  4. Step 4: Simplify right side
    830,576x = 298,558,870,368
  5. Step 5: Solve for x
    x = 298,558,870,368/830,576
  6. Step 6: Final answer
    x = 359,460.03

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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.