Home / 434,576.20-651,086.70-367,702.60

Finding the Fourth Proportional to 434,576.20, 651,086.70 and 367,702.60

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Solution

The fourth proportional to 434,576.20, 651,086.70 and 367,702.60 is: 550,895.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,576.20 : 651,086.70 = 367,702.60 : x
  2. Step 2: Convert to fraction form
    434,576.20/651,086.70 = 367,702.60/x
  3. Step 3: Cross multiply
    434,576.20x = 651,086.70 × 367,702.60
  4. Step 4: Simplify right side
    434,576.20x = 239,406,272,415.42
  5. Step 5: Solve for x
    x = 239,406,272,415.42/434,576.20
  6. Step 6: Final answer
    x = 550,895.96

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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.