Home / 898,652.85-1,238,664.45-637,097.37

Finding the Fourth Proportional to 898,652.85, 1,238,664.45 and 637,097.37

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Solution

The fourth proportional to 898,652.85, 1,238,664.45 and 637,097.37 is: 878,147.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,652.85 : 1,238,664.45 = 637,097.37 : x
  2. Step 2: Convert to fraction form
    898,652.85/1,238,664.45 = 637,097.37/x
  3. Step 3: Cross multiply
    898,652.85x = 1,238,664.45 × 637,097.37
  4. Step 4: Simplify right side
    898,652.85x = 789,149,863,407.50
  5. Step 5: Solve for x
    x = 789,149,863,407.50/898,652.85
  6. Step 6: Final answer
    x = 878,147.62

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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.