Home / 719,352.56-1,078,942.71-559,588.11

Finding the Fourth Proportional to 719,352.56, 1,078,942.71 and 559,588.11

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Solution

The fourth proportional to 719,352.56, 1,078,942.71 and 559,588.11 is: 839,315.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,352.56 : 1,078,942.71 = 559,588.11 : x
  2. Step 2: Convert to fraction form
    719,352.56/1,078,942.71 = 559,588.11/x
  3. Step 3: Cross multiply
    719,352.56x = 1,078,942.71 × 559,588.11
  4. Step 4: Simplify right side
    719,352.56x = 603,763,511,887.18
  5. Step 5: Solve for x
    x = 603,763,511,887.18/719,352.56
  6. Step 6: Final answer
    x = 839,315.17

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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.