Home / 963,787.41-1,445,863.57-387,455.30

Finding the Fourth Proportional to 963,787.41, 1,445,863.57 and 387,455.30

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Solution

The fourth proportional to 963,787.41, 1,445,863.57 and 387,455.30 is: 581,256.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,787.41 : 1,445,863.57 = 387,455.30 : x
  2. Step 2: Convert to fraction form
    963,787.41/1,445,863.57 = 387,455.30/x
  3. Step 3: Cross multiply
    963,787.41x = 1,445,863.57 × 387,455.30
  4. Step 4: Simplify right side
    963,787.41x = 560,207,500,497.45
  5. Step 5: Solve for x
    x = 560,207,500,497.45/963,787.41
  6. Step 6: Final answer
    x = 581,256.30

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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.