Home / 970,823.84-1,456,891.80-339,743.12

Finding the Fourth Proportional to 970,823.84, 1,456,891.80 and 339,743.12

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Solution

The fourth proportional to 970,823.84, 1,456,891.80 and 339,743.12 is: 509,844.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,823.84 : 1,456,891.80 = 339,743.12 : x
  2. Step 2: Convert to fraction form
    970,823.84/1,456,891.80 = 339,743.12/x
  3. Step 3: Cross multiply
    970,823.84x = 1,456,891.80 × 339,743.12
  4. Step 4: Simplify right side
    970,823.84x = 494,968,965,634.42
  5. Step 5: Solve for x
    x = 494,968,965,634.42/970,823.84
  6. Step 6: Final answer
    x = 509,844.26

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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.