Home / 631,922.83-872,059.31-359,986.70

Finding the Fourth Proportional to 631,922.83, 872,059.31 and 359,986.70

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Solution

The fourth proportional to 631,922.83, 872,059.31 and 359,986.70 is: 496,784.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,922.83 : 872,059.31 = 359,986.70 : x
  2. Step 2: Convert to fraction form
    631,922.83/872,059.31 = 359,986.70/x
  3. Step 3: Cross multiply
    631,922.83x = 872,059.31 × 359,986.70
  4. Step 4: Simplify right side
    631,922.83x = 313,929,752,060.93
  5. Step 5: Solve for x
    x = 313,929,752,060.93/631,922.83
  6. Step 6: Final answer
    x = 496,784.95

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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.