Home / 678,787.84-1,018,181.31-173,348.92

Finding the Fourth Proportional to 678,787.84, 1,018,181.31 and 173,348.92

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Solution

The fourth proportional to 678,787.84, 1,018,181.31 and 173,348.92 is: 260,023.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,787.84 : 1,018,181.31 = 173,348.92 : x
  2. Step 2: Convert to fraction form
    678,787.84/1,018,181.31 = 173,348.92/x
  3. Step 3: Cross multiply
    678,787.84x = 1,018,181.31 × 173,348.92
  4. Step 4: Simplify right side
    678,787.84x = 176,500,630,452.69
  5. Step 5: Solve for x
    x = 176,500,630,452.69/678,787.84
  6. Step 6: Final answer
    x = 260,023.27

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Double scale
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Similar ratio
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1.5x scale

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.