Home / 994,849.60-1,492,565-320,915.95

Finding the Fourth Proportional to 994,849.60, 1,492,565 and 320,915.95

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Solution

The fourth proportional to 994,849.60, 1,492,565 and 320,915.95 is: 481,467.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,849.60 : 1,492,565 = 320,915.95 : x
  2. Step 2: Convert to fraction form
    994,849.60/1,492,565 = 320,915.95/x
  3. Step 3: Cross multiply
    994,849.60x = 1,492,565 × 320,915.95
  4. Step 4: Simplify right side
    994,849.60x = 478,987,914,911.75
  5. Step 5: Solve for x
    x = 478,987,914,911.75/994,849.60
  6. Step 6: Final answer
    x = 481,467.67

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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.