Home / 880,008.45-1,214,311.27-492,770.02

Finding the Fourth Proportional to 880,008.45, 1,214,311.27 and 492,770.02

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Solution

The fourth proportional to 880,008.45, 1,214,311.27 and 492,770.02 is: 679,966.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,008.45 : 1,214,311.27 = 492,770.02 : x
  2. Step 2: Convert to fraction form
    880,008.45/1,214,311.27 = 492,770.02/x
  3. Step 3: Cross multiply
    880,008.45x = 1,214,311.27 × 492,770.02
  4. Step 4: Simplify right side
    880,008.45x = 598,376,188,804.13
  5. Step 5: Solve for x
    x = 598,376,188,804.13/880,008.45
  6. Step 6: Final answer
    x = 679,966.41

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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.