Home / 641,216.64-884,905.02-354,731.79

Finding the Fourth Proportional to 641,216.64, 884,905.02 and 354,731.79

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Solution

The fourth proportional to 641,216.64, 884,905.02 and 354,731.79 is: 489,544.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,216.64 : 884,905.02 = 354,731.79 : x
  2. Step 2: Convert to fraction form
    641,216.64/884,905.02 = 354,731.79/x
  3. Step 3: Cross multiply
    641,216.64x = 884,905.02 × 354,731.79
  4. Step 4: Simplify right side
    641,216.64x = 313,903,941,724.59
  5. Step 5: Solve for x
    x = 313,903,941,724.59/641,216.64
  6. Step 6: Final answer
    x = 489,544.29

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.