Home / 803,127.54-1,205,059.20-347,858.03

Finding the Fourth Proportional to 803,127.54, 1,205,059.20 and 347,858.03

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Solution

The fourth proportional to 803,127.54, 1,205,059.20 and 347,858.03 is: 521,946.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,127.54 : 1,205,059.20 = 347,858.03 : x
  2. Step 2: Convert to fraction form
    803,127.54/1,205,059.20 = 347,858.03/x
  3. Step 3: Cross multiply
    803,127.54x = 1,205,059.20 × 347,858.03
  4. Step 4: Simplify right side
    803,127.54x = 419,189,511,580.79
  5. Step 5: Solve for x
    x = 419,189,511,580.79/803,127.54
  6. Step 6: Final answer
    x = 521,946.38

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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.