Home / 715,311.71-1,072,801.08-266,244.06

Finding the Fourth Proportional to 715,311.71, 1,072,801.08 and 266,244.06

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Solution

The fourth proportional to 715,311.71, 1,072,801.08 and 266,244.06 is: 399,304.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,311.71 : 1,072,801.08 = 266,244.06 : x
  2. Step 2: Convert to fraction form
    715,311.71/1,072,801.08 = 266,244.06/x
  3. Step 3: Cross multiply
    715,311.71x = 1,072,801.08 × 266,244.06
  4. Step 4: Simplify right side
    715,311.71x = 285,626,915,111.59
  5. Step 5: Solve for x
    x = 285,626,915,111.59/715,311.71
  6. Step 6: Final answer
    x = 399,304.13

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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.