Home / 803,128.04-1,205,059.94-347,858.52

Finding the Fourth Proportional to 803,128.04, 1,205,059.94 and 347,858.52

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Solution

The fourth proportional to 803,128.04, 1,205,059.94 and 347,858.52 is: 521,947.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,128.04 : 1,205,059.94 = 347,858.52 : x
  2. Step 2: Convert to fraction form
    803,128.04/1,205,059.94 = 347,858.52/x
  3. Step 3: Cross multiply
    803,128.04x = 1,205,059.94 × 347,858.52
  4. Step 4: Simplify right side
    803,128.04x = 419,190,367,239.69
  5. Step 5: Solve for x
    x = 419,190,367,239.69/803,128.04
  6. Step 6: Final answer
    x = 521,947.12

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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.