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Finding the Fourth Proportional to 608,567.10, 911,101.05 and 538,583.10

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Solution

The fourth proportional to 608,567.10, 911,101.05 and 538,583.10 is: 806,326.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,567.10 : 911,101.05 = 538,583.10 : x
  2. Step 2: Convert to fraction form
    608,567.10/911,101.05 = 538,583.10/x
  3. Step 3: Cross multiply
    608,567.10x = 911,101.05 × 538,583.10
  4. Step 4: Simplify right side
    608,567.10x = 490,703,627,922.26
  5. Step 5: Solve for x
    x = 490,703,627,922.26/608,567.10
  6. Step 6: Final answer
    x = 806,326.25

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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.