Home / 859,208.37-1,289,938.84-576,165.45

Finding the Fourth Proportional to 859,208.37, 1,289,938.84 and 576,165.45

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Solution

The fourth proportional to 859,208.37, 1,289,938.84 and 576,165.45 is: 865,003.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,208.37 : 1,289,938.84 = 576,165.45 : x
  2. Step 2: Convert to fraction form
    859,208.37/1,289,938.84 = 576,165.45/x
  3. Step 3: Cross multiply
    859,208.37x = 1,289,938.84 × 576,165.45
  4. Step 4: Simplify right side
    859,208.37x = 743,218,192,221.08
  5. Step 5: Solve for x
    x = 743,218,192,221.08/859,208.37
  6. Step 6: Final answer
    x = 865,003.44

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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.