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Finding the Fourth Proportional to 666,295.84, 999,458.34 and 267,124.60

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Solution

The fourth proportional to 666,295.84, 999,458.34 and 267,124.60 is: 400,692.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,295.84 : 999,458.34 = 267,124.60 : x
  2. Step 2: Convert to fraction form
    666,295.84/999,458.34 = 267,124.60/x
  3. Step 3: Cross multiply
    666,295.84x = 999,458.34 × 267,124.60
  4. Step 4: Simplify right side
    666,295.84x = 266,979,909,289.16
  5. Step 5: Solve for x
    x = 266,979,909,289.16/666,295.84
  6. Step 6: Final answer
    x = 400,692.75

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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.