Home / 681,054.45-1,020,880.72-302,153.62

Finding the Fourth Proportional to 681,054.45, 1,020,880.72 and 302,153.62

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Solution

The fourth proportional to 681,054.45, 1,020,880.72 and 302,153.62 is: 452,919.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,054.45 : 1,020,880.72 = 302,153.62 : x
  2. Step 2: Convert to fraction form
    681,054.45/1,020,880.72 = 302,153.62/x
  3. Step 3: Cross multiply
    681,054.45x = 1,020,880.72 × 302,153.62
  4. Step 4: Simplify right side
    681,054.45x = 308,462,805,136.21
  5. Step 5: Solve for x
    x = 308,462,805,136.21/681,054.45
  6. Step 6: Final answer
    x = 452,919.45

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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.