Home / 651,172.20-976,628.70-314,212.20

Finding the Fourth Proportional to 651,172.20, 976,628.70 and 314,212.20

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Solution

The fourth proportional to 651,172.20, 976,628.70 and 314,212.20 is: 471,255.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,172.20 : 976,628.70 = 314,212.20 : x
  2. Step 2: Convert to fraction form
    651,172.20/976,628.70 = 314,212.20/x
  3. Step 3: Cross multiply
    651,172.20x = 976,628.70 × 314,212.20
  4. Step 4: Simplify right side
    651,172.20x = 306,868,652,410.14
  5. Step 5: Solve for x
    x = 306,868,652,410.14/651,172.20
  6. Step 6: Final answer
    x = 471,255.76

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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.