Home / 872,946.44-1,204,654.22-490,973.12

Finding the Fourth Proportional to 872,946.44, 1,204,654.22 and 490,973.12

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Solution

The fourth proportional to 872,946.44, 1,204,654.22 and 490,973.12 is: 677,536.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,946.44 : 1,204,654.22 = 490,973.12 : x
  2. Step 2: Convert to fraction form
    872,946.44/1,204,654.22 = 490,973.12/x
  3. Step 3: Cross multiply
    872,946.44x = 1,204,654.22 × 490,973.12
  4. Step 4: Simplify right side
    872,946.44x = 591,452,840,914.57
  5. Step 5: Solve for x
    x = 591,452,840,914.57/872,946.44
  6. Step 6: Final answer
    x = 677,536.23

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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.