Home / 639,611.04-957,887.01-368,918.59

Finding the Fourth Proportional to 639,611.04, 957,887.01 and 368,918.59

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Solution

The fourth proportional to 639,611.04, 957,887.01 and 368,918.59 is: 552,495.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,611.04 : 957,887.01 = 368,918.59 : x
  2. Step 2: Convert to fraction form
    639,611.04/957,887.01 = 368,918.59/x
  3. Step 3: Cross multiply
    639,611.04x = 957,887.01 × 368,918.59
  4. Step 4: Simplify right side
    639,611.04x = 353,382,325,108.52
  5. Step 5: Solve for x
    x = 353,382,325,108.52/639,611.04
  6. Step 6: Final answer
    x = 552,495.66

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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.