Home / 914,285.91-1,371,519-315,168.20

Finding the Fourth Proportional to 914,285.91, 1,371,519 and 315,168.20

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Solution

The fourth proportional to 914,285.91, 1,371,519 and 315,168.20 is: 472,783.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,285.91 : 1,371,519 = 315,168.20 : x
  2. Step 2: Convert to fraction form
    914,285.91/1,371,519 = 315,168.20/x
  3. Step 3: Cross multiply
    914,285.91x = 1,371,519 × 315,168.20
  4. Step 4: Simplify right side
    914,285.91x = 432,259,174,495.80
  5. Step 5: Solve for x
    x = 432,259,174,495.80/914,285.91
  6. Step 6: Final answer
    x = 472,783.37

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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.