Home / 835,124.78-1,252,073.80-266,178.35

Finding the Fourth Proportional to 835,124.78, 1,252,073.80 and 266,178.35

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Solution

The fourth proportional to 835,124.78, 1,252,073.80 and 266,178.35 is: 399,072.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,124.78 : 1,252,073.80 = 266,178.35 : x
  2. Step 2: Convert to fraction form
    835,124.78/1,252,073.80 = 266,178.35/x
  3. Step 3: Cross multiply
    835,124.78x = 1,252,073.80 × 266,178.35
  4. Step 4: Simplify right side
    835,124.78x = 333,274,941,625.14
  5. Step 5: Solve for x
    x = 333,274,941,625.14/835,124.78
  6. Step 6: Final answer
    x = 399,072.03

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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.