Home / 970,777.20-1,456,821.84-339,696.48

Finding the Fourth Proportional to 970,777.20, 1,456,821.84 and 339,696.48

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Solution

The fourth proportional to 970,777.20, 1,456,821.84 and 339,696.48 is: 509,774.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,777.20 : 1,456,821.84 = 339,696.48 : x
  2. Step 2: Convert to fraction form
    970,777.20/1,456,821.84 = 339,696.48/x
  3. Step 3: Cross multiply
    970,777.20x = 1,456,821.84 × 339,696.48
  4. Step 4: Simplify right side
    970,777.20x = 494,877,251,035.12
  5. Step 5: Solve for x
    x = 494,877,251,035.12/970,777.20
  6. Step 6: Final answer
    x = 509,774.28

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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.