Home / 631,922.18-872,058.41-359,986.05

Finding the Fourth Proportional to 631,922.18, 872,058.41 and 359,986.05

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Solution

The fourth proportional to 631,922.18, 872,058.41 and 359,986.05 is: 496,784.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,922.18 : 872,058.41 = 359,986.05 : x
  2. Step 2: Convert to fraction form
    631,922.18/872,058.41 = 359,986.05/x
  3. Step 3: Cross multiply
    631,922.18x = 872,058.41 × 359,986.05
  4. Step 4: Simplify right side
    631,922.18x = 313,928,863,285.15
  5. Step 5: Solve for x
    x = 313,928,863,285.15/631,922.18
  6. Step 6: Final answer
    x = 496,784.05

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1.5x scale

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.