Home / 914,293.05-1,371,529.73-315,175.33

Finding the Fourth Proportional to 914,293.05, 1,371,529.73 and 315,175.33

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Solution

The fourth proportional to 914,293.05, 1,371,529.73 and 315,175.33 is: 472,794.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,293.05 : 1,371,529.73 = 315,175.33 : x
  2. Step 2: Convert to fraction form
    914,293.05/1,371,529.73 = 315,175.33/x
  3. Step 3: Cross multiply
    914,293.05x = 1,371,529.73 × 315,175.33
  4. Step 4: Simplify right side
    914,293.05x = 432,272,335,257.56
  5. Step 5: Solve for x
    x = 432,272,335,257.56/914,293.05
  6. Step 6: Final answer
    x = 472,794.07

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1.5x scale

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.