Home / 829,957.60-1,246,102.80-515,029.60

Finding the Fourth Proportional to 829,957.60, 1,246,102.80 and 515,029.60

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Solution

The fourth proportional to 829,957.60, 1,246,102.80 and 515,029.60 is: 773,268.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,957.60 : 1,246,102.80 = 515,029.60 : x
  2. Step 2: Convert to fraction form
    829,957.60/1,246,102.80 = 515,029.60/x
  3. Step 3: Cross multiply
    829,957.60x = 1,246,102.80 × 515,029.60
  4. Step 4: Simplify right side
    829,957.60x = 641,779,826,642.88
  5. Step 5: Solve for x
    x = 641,779,826,642.88/829,957.60
  6. Step 6: Final answer
    x = 773,268.21

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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.