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Finding the Fourth Proportional to 551,852.42, 761,563.08 and 336,962.66

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Solution

The fourth proportional to 551,852.42, 761,563.08 and 336,962.66 is: 465,012.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,852.42 : 761,563.08 = 336,962.66 : x
  2. Step 2: Convert to fraction form
    551,852.42/761,563.08 = 336,962.66/x
  3. Step 3: Cross multiply
    551,852.42x = 761,563.08 × 336,962.66
  4. Step 4: Simplify right side
    551,852.42x = 256,618,321,194.59
  5. Step 5: Solve for x
    x = 256,618,321,194.59/551,852.42
  6. Step 6: Final answer
    x = 465,012.59

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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.