Home / 872,867.84-1,204,549.73-490,886.42

Finding the Fourth Proportional to 872,867.84, 1,204,549.73 and 490,886.42

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Solution

The fourth proportional to 872,867.84, 1,204,549.73 and 490,886.42 is: 677,418.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,867.84 : 1,204,549.73 = 490,886.42 : x
  2. Step 2: Convert to fraction form
    872,867.84/1,204,549.73 = 490,886.42/x
  3. Step 3: Cross multiply
    872,867.84x = 1,204,549.73 × 490,886.42
  4. Step 4: Simplify right side
    872,867.84x = 591,297,096,194.49
  5. Step 5: Solve for x
    x = 591,297,096,194.49/872,867.84
  6. Step 6: Final answer
    x = 677,418.82

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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.