Home / 691,172.07-1,036,602.59-247,940.07

Finding the Fourth Proportional to 691,172.07, 1,036,602.59 and 247,940.07

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Solution

The fourth proportional to 691,172.07, 1,036,602.59 and 247,940.07 is: 371,854.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,172.07 : 1,036,602.59 = 247,940.07 : x
  2. Step 2: Convert to fraction form
    691,172.07/1,036,602.59 = 247,940.07/x
  3. Step 3: Cross multiply
    691,172.07x = 1,036,602.59 × 247,940.07
  4. Step 4: Simplify right side
    691,172.07x = 257,015,318,726.78
  5. Step 5: Solve for x
    x = 257,015,318,726.78/691,172.07
  6. Step 6: Final answer
    x = 371,854.32

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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.