Home / 970,821.46-1,456,887.99-339,740.74

Finding the Fourth Proportional to 970,821.46, 1,456,887.99 and 339,740.74

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Solution

The fourth proportional to 970,821.46, 1,456,887.99 and 339,740.74 is: 509,840.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,821.46 : 1,456,887.99 = 339,740.74 : x
  2. Step 2: Convert to fraction form
    970,821.46/1,456,887.99 = 339,740.74/x
  3. Step 3: Cross multiply
    970,821.46x = 1,456,887.99 × 339,740.74
  4. Step 4: Simplify right side
    970,821.46x = 494,964,203,819.71
  5. Step 5: Solve for x
    x = 494,964,203,819.71/970,821.46
  6. Step 6: Final answer
    x = 509,840.61

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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.