Home / 713,317.88-1,070,440.47-308,905.04

Finding the Fourth Proportional to 713,317.88, 1,070,440.47 and 308,905.04

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Solution

The fourth proportional to 713,317.88, 1,070,440.47 and 308,905.04 is: 463,558.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,317.88 : 1,070,440.47 = 308,905.04 : x
  2. Step 2: Convert to fraction form
    713,317.88/1,070,440.47 = 308,905.04/x
  3. Step 3: Cross multiply
    713,317.88x = 1,070,440.47 × 308,905.04
  4. Step 4: Simplify right side
    713,317.88x = 330,664,450,850.77
  5. Step 5: Solve for x
    x = 330,664,450,850.77/713,317.88
  6. Step 6: Final answer
    x = 463,558.34

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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.