Home / 855,812.72-1,283,423.40-248,436.32

Finding the Fourth Proportional to 855,812.72, 1,283,423.40 and 248,436.32

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Solution

The fourth proportional to 855,812.72, 1,283,423.40 and 248,436.32 is: 372,568.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,812.72 : 1,283,423.40 = 248,436.32 : x
  2. Step 2: Convert to fraction form
    855,812.72/1,283,423.40 = 248,436.32/x
  3. Step 3: Cross multiply
    855,812.72x = 1,283,423.40 × 248,436.32
  4. Step 4: Simplify right side
    855,812.72x = 318,848,980,080.77
  5. Step 5: Solve for x
    x = 318,848,980,080.77/855,812.72
  6. Step 6: Final answer
    x = 372,568.64

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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.