Home / 719,759.30-1,078,997.28-364,590.50

Finding the Fourth Proportional to 719,759.30, 1,078,997.28 and 364,590.50

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Solution

The fourth proportional to 719,759.30, 1,078,997.28 and 364,590.50 is: 546,560.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,759.30 : 1,078,997.28 = 364,590.50 : x
  2. Step 2: Convert to fraction form
    719,759.30/1,078,997.28 = 364,590.50/x
  3. Step 3: Cross multiply
    719,759.30x = 1,078,997.28 × 364,590.50
  4. Step 4: Simplify right side
    719,759.30x = 393,392,157,813.84
  5. Step 5: Solve for x
    x = 393,392,157,813.84/719,759.30
  6. Step 6: Final answer
    x = 546,560.72

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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.