Home / 914,288.36-1,371,522.76-315,170.64

Finding the Fourth Proportional to 914,288.36, 1,371,522.76 and 315,170.64

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Solution

The fourth proportional to 914,288.36, 1,371,522.76 and 315,170.64 is: 472,787.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,288.36 : 1,371,522.76 = 315,170.64 : x
  2. Step 2: Convert to fraction form
    914,288.36/1,371,522.76 = 315,170.64/x
  3. Step 3: Cross multiply
    914,288.36x = 1,371,522.76 × 315,170.64
  4. Step 4: Simplify right side
    914,288.36x = 432,263,705,255.84
  5. Step 5: Solve for x
    x = 432,263,705,255.84/914,288.36
  6. Step 6: Final answer
    x = 472,787.06

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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.