Home / 890,480.08-1,228,476.36-589,093.84

Finding the Fourth Proportional to 890,480.08, 1,228,476.36 and 589,093.84

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Solution

The fourth proportional to 890,480.08, 1,228,476.36 and 589,093.84 is: 812,694.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,480.08 : 1,228,476.36 = 589,093.84 : x
  2. Step 2: Convert to fraction form
    890,480.08/1,228,476.36 = 589,093.84/x
  3. Step 3: Cross multiply
    890,480.08x = 1,228,476.36 × 589,093.84
  4. Step 4: Simplify right side
    890,480.08x = 723,687,856,261.62
  5. Step 5: Solve for x
    x = 723,687,856,261.62/890,480.08
  6. Step 6: Final answer
    x = 812,694.04

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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.