Home / 827,930.70-1,241,896.05-429,349.95

Finding the Fourth Proportional to 827,930.70, 1,241,896.05 and 429,349.95

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Solution

The fourth proportional to 827,930.70, 1,241,896.05 and 429,349.95 is: 644,024.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,930.70 : 1,241,896.05 = 429,349.95 : x
  2. Step 2: Convert to fraction form
    827,930.70/1,241,896.05 = 429,349.95/x
  3. Step 3: Cross multiply
    827,930.70x = 1,241,896.05 × 429,349.95
  4. Step 4: Simplify right side
    827,930.70x = 533,208,006,972.70
  5. Step 5: Solve for x
    x = 533,208,006,972.70/827,930.70
  6. Step 6: Final answer
    x = 644,024.93

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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.