Home / 719,997.60-1,079,305.20-559,984.80

Finding the Fourth Proportional to 719,997.60, 1,079,305.20 and 559,984.80

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Solution

The fourth proportional to 719,997.60, 1,079,305.20 and 559,984.80 is: 839,439.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,997.60 : 1,079,305.20 = 559,984.80 : x
  2. Step 2: Convert to fraction form
    719,997.60/1,079,305.20 = 559,984.80/x
  3. Step 3: Cross multiply
    719,997.60x = 1,079,305.20 × 559,984.80
  4. Step 4: Simplify right side
    719,997.60x = 604,394,506,560.96
  5. Step 5: Solve for x
    x = 604,394,506,560.96/719,997.60
  6. Step 6: Final answer
    x = 839,439.61

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1.5x scale

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.