Home / 776,143.23-1,164,407.07-371,643.23

Finding the Fourth Proportional to 776,143.23, 1,164,407.07 and 371,643.23

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Solution

The fourth proportional to 776,143.23, 1,164,407.07 and 371,643.23 is: 557,556.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,143.23 : 1,164,407.07 = 371,643.23 : x
  2. Step 2: Convert to fraction form
    776,143.23/1,164,407.07 = 371,643.23/x
  3. Step 3: Cross multiply
    776,143.23x = 1,164,407.07 × 371,643.23
  4. Step 4: Simplify right side
    776,143.23x = 432,744,006,511.55
  5. Step 5: Solve for x
    x = 432,744,006,511.55/776,143.23
  6. Step 6: Final answer
    x = 557,556.89

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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.