Home / 914,609.61-1,371,985.47-274,863.42

Finding the Fourth Proportional to 914,609.61, 1,371,985.47 and 274,863.42

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Solution

The fourth proportional to 914,609.61, 1,371,985.47 and 274,863.42 is: 412,316.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,609.61 : 1,371,985.47 = 274,863.42 : x
  2. Step 2: Convert to fraction form
    914,609.61/1,371,985.47 = 274,863.42/x
  3. Step 3: Cross multiply
    914,609.61x = 1,371,985.47 × 274,863.42
  4. Step 4: Simplify right side
    914,609.61x = 377,108,618,474.51
  5. Step 5: Solve for x
    x = 377,108,618,474.51/914,609.61
  6. Step 6: Final answer
    x = 412,316.48

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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.