Home / 851,362.22-1,277,043.34-290,401.58

Finding the Fourth Proportional to 851,362.22, 1,277,043.34 and 290,401.58

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Solution

The fourth proportional to 851,362.22, 1,277,043.34 and 290,401.58 is: 435,602.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,362.22 : 1,277,043.34 = 290,401.58 : x
  2. Step 2: Convert to fraction form
    851,362.22/1,277,043.34 = 290,401.58/x
  3. Step 3: Cross multiply
    851,362.22x = 1,277,043.34 × 290,401.58
  4. Step 4: Simplify right side
    851,362.22x = 370,855,403,664.48
  5. Step 5: Solve for x
    x = 370,855,403,664.48/851,362.22
  6. Step 6: Final answer
    x = 435,602.37

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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.