Home / 859,560.06-1,289,597.67-346,961.28

Finding the Fourth Proportional to 859,560.06, 1,289,597.67 and 346,961.28

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Solution

The fourth proportional to 859,560.06, 1,289,597.67 and 346,961.28 is: 520,545.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,560.06 : 1,289,597.67 = 346,961.28 : x
  2. Step 2: Convert to fraction form
    859,560.06/1,289,597.67 = 346,961.28/x
  3. Step 3: Cross multiply
    859,560.06x = 1,289,597.67 × 346,961.28
  4. Step 4: Simplify right side
    859,560.06x = 447,440,458,268.22
  5. Step 5: Solve for x
    x = 447,440,458,268.22/859,560.06
  6. Step 6: Final answer
    x = 520,545.89

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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.