Home / 454,125.16-680,486.94-287,563.24

Finding the Fourth Proportional to 454,125.16, 680,486.94 and 287,563.24

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Solution

The fourth proportional to 454,125.16, 680,486.94 and 287,563.24 is: 430,901.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,125.16 : 680,486.94 = 287,563.24 : x
  2. Step 2: Convert to fraction form
    454,125.16/680,486.94 = 287,563.24/x
  3. Step 3: Cross multiply
    454,125.16x = 680,486.94 × 287,563.24
  4. Step 4: Simplify right side
    454,125.16x = 195,683,029,244.09
  5. Step 5: Solve for x
    x = 195,683,029,244.09/454,125.16
  6. Step 6: Final answer
    x = 430,901.10

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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.