Home / 914,319.56-1,371,569.34-315,201.80

Finding the Fourth Proportional to 914,319.56, 1,371,569.34 and 315,201.80

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Solution

The fourth proportional to 914,319.56, 1,371,569.34 and 315,201.80 is: 472,833.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,319.56 : 1,371,569.34 = 315,201.80 : x
  2. Step 2: Convert to fraction form
    914,319.56/1,371,569.34 = 315,201.80/x
  3. Step 3: Cross multiply
    914,319.56x = 1,371,569.34 × 315,201.80
  4. Step 4: Simplify right side
    914,319.56x = 432,321,124,792.81
  5. Step 5: Solve for x
    x = 432,321,124,792.81/914,319.56
  6. Step 6: Final answer
    x = 472,833.73

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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.