Home / 554,735.60-829,997.40-368,111.60

Finding the Fourth Proportional to 554,735.60, 829,997.40 and 368,111.60

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Solution

The fourth proportional to 554,735.60, 829,997.40 and 368,111.60 is: 550,769.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,735.60 : 829,997.40 = 368,111.60 : x
  2. Step 2: Convert to fraction form
    554,735.60/829,997.40 = 368,111.60/x
  3. Step 3: Cross multiply
    554,735.60x = 829,997.40 × 368,111.60
  4. Step 4: Simplify right side
    554,735.60x = 305,531,670,909.84
  5. Step 5: Solve for x
    x = 305,531,670,909.84/554,735.60
  6. Step 6: Final answer
    x = 550,769.90

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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.