Home / 873,583.65-1,310,690.84-305,048.57

Finding the Fourth Proportional to 873,583.65, 1,310,690.84 and 305,048.57

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Solution

The fourth proportional to 873,583.65, 1,310,690.84 and 305,048.57 is: 457,682.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,583.65 : 1,310,690.84 = 305,048.57 : x
  2. Step 2: Convert to fraction form
    873,583.65/1,310,690.84 = 305,048.57/x
  3. Step 3: Cross multiply
    873,583.65x = 1,310,690.84 × 305,048.57
  4. Step 4: Simplify right side
    873,583.65x = 399,824,358,375.40
  5. Step 5: Solve for x
    x = 399,824,358,375.40/873,583.65
  6. Step 6: Final answer
    x = 457,682.97

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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.