Home / 829,817.80-1,245,648.30-514,630.60

Finding the Fourth Proportional to 829,817.80, 1,245,648.30 and 514,630.60

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Solution

The fourth proportional to 829,817.80, 1,245,648.30 and 514,630.60 is: 772,517.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,817.80 : 1,245,648.30 = 514,630.60 : x
  2. Step 2: Convert to fraction form
    829,817.80/1,245,648.30 = 514,630.60/x
  3. Step 3: Cross multiply
    829,817.80x = 1,245,648.30 × 514,630.60
  4. Step 4: Simplify right side
    829,817.80x = 641,048,732,017.98
  5. Step 5: Solve for x
    x = 641,048,732,017.98/829,817.80
  6. Step 6: Final answer
    x = 772,517.45

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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.