Home / 914,283.91-1,371,516-315,166.20

Finding the Fourth Proportional to 914,283.91, 1,371,516 and 315,166.20

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Solution

The fourth proportional to 914,283.91, 1,371,516 and 315,166.20 is: 472,780.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,283.91 : 1,371,516 = 315,166.20 : x
  2. Step 2: Convert to fraction form
    914,283.91/1,371,516 = 315,166.20/x
  3. Step 3: Cross multiply
    914,283.91x = 1,371,516 × 315,166.20
  4. Step 4: Simplify right side
    914,283.91x = 432,255,485,959.20
  5. Step 5: Solve for x
    x = 432,255,485,959.20/914,283.91
  6. Step 6: Final answer
    x = 472,780.37

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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.