Home / 880,072.32-1,319,896.96-406,302.64

Finding the Fourth Proportional to 880,072.32, 1,319,896.96 and 406,302.64

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Solution

The fourth proportional to 880,072.32, 1,319,896.96 and 406,302.64 is: 609,356.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,072.32 : 1,319,896.96 = 406,302.64 : x
  2. Step 2: Convert to fraction form
    880,072.32/1,319,896.96 = 406,302.64/x
  3. Step 3: Cross multiply
    880,072.32x = 1,319,896.96 × 406,302.64
  4. Step 4: Simplify right side
    880,072.32x = 536,277,619,375.97
  5. Step 5: Solve for x
    x = 536,277,619,375.97/880,072.32
  6. Step 6: Final answer
    x = 609,356.31

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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.