Home / 774,401.50-1,159,114.74-413,670.43

Finding the Fourth Proportional to 774,401.50, 1,159,114.74 and 413,670.43

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Solution

The fourth proportional to 774,401.50, 1,159,114.74 and 413,670.43 is: 619,176.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,401.50 : 1,159,114.74 = 413,670.43 : x
  2. Step 2: Convert to fraction form
    774,401.50/1,159,114.74 = 413,670.43/x
  3. Step 3: Cross multiply
    774,401.50x = 1,159,114.74 × 413,670.43
  4. Step 4: Simplify right side
    774,401.50x = 479,491,492,915.14
  5. Step 5: Solve for x
    x = 479,491,492,915.14/774,401.50
  6. Step 6: Final answer
    x = 619,176.86

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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.