Home / 719,727-1,078,948.96-364,558.20

Finding the Fourth Proportional to 719,727, 1,078,948.96 and 364,558.20

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Solution

The fourth proportional to 719,727, 1,078,948.96 and 364,558.20 is: 546,512.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,727 : 1,078,948.96 = 364,558.20 : x
  2. Step 2: Convert to fraction form
    719,727/1,078,948.96 = 364,558.20/x
  3. Step 3: Cross multiply
    719,727x = 1,078,948.96 × 364,558.20
  4. Step 4: Simplify right side
    719,727x = 393,339,690,749.47
  5. Step 5: Solve for x
    x = 393,339,690,749.47/719,727
  6. Step 6: Final answer
    x = 546,512.35

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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.