Home / 698,489.66-1,052,401.95-631,100.02

Finding the Fourth Proportional to 698,489.66, 1,052,401.95 and 631,100.02

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Solution

The fourth proportional to 698,489.66, 1,052,401.95 and 631,100.02 is: 950,867.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,489.66 : 1,052,401.95 = 631,100.02 : x
  2. Step 2: Convert to fraction form
    698,489.66/1,052,401.95 = 631,100.02/x
  3. Step 3: Cross multiply
    698,489.66x = 1,052,401.95 × 631,100.02
  4. Step 4: Simplify right side
    698,489.66x = 664,170,887,878.72
  5. Step 5: Solve for x
    x = 664,170,887,878.72/698,489.66
  6. Step 6: Final answer
    x = 950,867.18

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.