Home / 851,266.44-1,174,756.74-469,306.89

Finding the Fourth Proportional to 851,266.44, 1,174,756.74 and 469,306.89

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Solution

The fourth proportional to 851,266.44, 1,174,756.74 and 469,306.89 is: 647,648.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,266.44 : 1,174,756.74 = 469,306.89 : x
  2. Step 2: Convert to fraction form
    851,266.44/1,174,756.74 = 469,306.89/x
  3. Step 3: Cross multiply
    851,266.44x = 1,174,756.74 × 469,306.89
  4. Step 4: Simplify right side
    851,266.44x = 551,321,432,155.94
  5. Step 5: Solve for x
    x = 551,321,432,155.94/851,266.44
  6. Step 6: Final answer
    x = 647,648.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.