Home / 970,788.53-1,456,838.90-339,707.81

Finding the Fourth Proportional to 970,788.53, 1,456,838.90 and 339,707.81

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Solution

The fourth proportional to 970,788.53, 1,456,838.90 and 339,707.81 is: 509,791.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,788.53 : 1,456,838.90 = 339,707.81 : x
  2. Step 2: Convert to fraction form
    970,788.53/1,456,838.90 = 339,707.81/x
  3. Step 3: Cross multiply
    970,788.53x = 1,456,838.90 × 339,707.81
  4. Step 4: Simplify right side
    970,788.53x = 494,899,552,241.81
  5. Step 5: Solve for x
    x = 494,899,552,241.81/970,788.53
  6. Step 6: Final answer
    x = 509,791.31

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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.