Home / 970,786.53-1,456,835.90-339,705.81

Finding the Fourth Proportional to 970,786.53, 1,456,835.90 and 339,705.81

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Solution

The fourth proportional to 970,786.53, 1,456,835.90 and 339,705.81 is: 509,788.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,786.53 : 1,456,835.90 = 339,705.81 : x
  2. Step 2: Convert to fraction form
    970,786.53/1,456,835.90 = 339,705.81/x
  3. Step 3: Cross multiply
    970,786.53x = 1,456,835.90 × 339,705.81
  4. Step 4: Simplify right side
    970,786.53x = 494,895,617,748.05
  5. Step 5: Solve for x
    x = 494,895,617,748.05/970,786.53
  6. Step 6: Final answer
    x = 509,788.30

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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.