Home / 702,558.21-1,054,034.64-282,129.33

Finding the Fourth Proportional to 702,558.21, 1,054,034.64 and 282,129.33

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Solution

The fourth proportional to 702,558.21, 1,054,034.64 and 282,129.33 is: 423,273.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,558.21 : 1,054,034.64 = 282,129.33 : x
  2. Step 2: Convert to fraction form
    702,558.21/1,054,034.64 = 282,129.33/x
  3. Step 3: Cross multiply
    702,558.21x = 1,054,034.64 × 282,129.33
  4. Step 4: Simplify right side
    702,558.21x = 297,374,086,779.99
  5. Step 5: Solve for x
    x = 297,374,086,779.99/702,558.21
  6. Step 6: Final answer
    x = 423,273.24

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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.