Home / 513,922.98-770,880.18-401,697.60

Finding the Fourth Proportional to 513,922.98, 770,880.18 and 401,697.60

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Solution

The fourth proportional to 513,922.98, 770,880.18 and 401,697.60 is: 602,543.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,922.98 : 770,880.18 = 401,697.60 : x
  2. Step 2: Convert to fraction form
    513,922.98/770,880.18 = 401,697.60/x
  3. Step 3: Cross multiply
    513,922.98x = 770,880.18 × 401,697.60
  4. Step 4: Simplify right side
    513,922.98x = 309,660,718,193.57
  5. Step 5: Solve for x
    x = 309,660,718,193.57/513,922.98
  6. Step 6: Final answer
    x = 602,543.05

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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.