Home / 872,561.90-1,308,843.22-273,569.75

Finding the Fourth Proportional to 872,561.90, 1,308,843.22 and 273,569.75

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Solution

The fourth proportional to 872,561.90, 1,308,843.22 and 273,569.75 is: 410,354.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,561.90 : 1,308,843.22 = 273,569.75 : x
  2. Step 2: Convert to fraction form
    872,561.90/1,308,843.22 = 273,569.75/x
  3. Step 3: Cross multiply
    872,561.90x = 1,308,843.22 × 273,569.75
  4. Step 4: Simplify right side
    872,561.90x = 358,059,912,484.60
  5. Step 5: Solve for x
    x = 358,059,912,484.60/872,561.90
  6. Step 6: Final answer
    x = 410,354.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.