Home / 970,787.53-1,456,837.40-339,706.81

Finding the Fourth Proportional to 970,787.53, 1,456,837.40 and 339,706.81

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Solution

The fourth proportional to 970,787.53, 1,456,837.40 and 339,706.81 is: 509,789.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,787.53 : 1,456,837.40 = 339,706.81 : x
  2. Step 2: Convert to fraction form
    970,787.53/1,456,837.40 = 339,706.81/x
  3. Step 3: Cross multiply
    970,787.53x = 1,456,837.40 × 339,706.81
  4. Step 4: Simplify right side
    970,787.53x = 494,897,585,842.69
  5. Step 5: Solve for x
    x = 494,897,585,842.69/970,787.53
  6. Step 6: Final answer
    x = 509,789.81

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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.