Home / 890,089.36-1,228,318.32-482,199.04

Finding the Fourth Proportional to 890,089.36, 1,228,318.32 and 482,199.04

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Solution

The fourth proportional to 890,089.36, 1,228,318.32 and 482,199.04 is: 665,431.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,089.36 : 1,228,318.32 = 482,199.04 : x
  2. Step 2: Convert to fraction form
    890,089.36/1,228,318.32 = 482,199.04/x
  3. Step 3: Cross multiply
    890,089.36x = 1,228,318.32 × 482,199.04
  4. Step 4: Simplify right side
    890,089.36x = 592,293,914,718.41
  5. Step 5: Solve for x
    x = 592,293,914,718.41/890,089.36
  6. Step 6: Final answer
    x = 665,431.97

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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.