Home / 513,994.32-709,386.39-296,161.29

Finding the Fourth Proportional to 513,994.32, 709,386.39 and 296,161.29

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Solution

The fourth proportional to 513,994.32, 709,386.39 and 296,161.29 is: 408,745.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,994.32 : 709,386.39 = 296,161.29 : x
  2. Step 2: Convert to fraction form
    513,994.32/709,386.39 = 296,161.29/x
  3. Step 3: Cross multiply
    513,994.32x = 709,386.39 × 296,161.29
  4. Step 4: Simplify right side
    513,994.32x = 210,092,788,370.84
  5. Step 5: Solve for x
    x = 210,092,788,370.84/513,994.32
  6. Step 6: Final answer
    x = 408,745.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.