Home / 702,780.21-1,054,367.15-282,351.33

Finding the Fourth Proportional to 702,780.21, 1,054,367.15 and 282,351.33

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Solution

The fourth proportional to 702,780.21, 1,054,367.15 and 282,351.33 is: 423,606.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,780.21 : 1,054,367.15 = 282,351.33 : x
  2. Step 2: Convert to fraction form
    702,780.21/1,054,367.15 = 282,351.33/x
  3. Step 3: Cross multiply
    702,780.21x = 1,054,367.15 × 282,351.33
  4. Step 4: Simplify right side
    702,780.21x = 297,701,965,699.05
  5. Step 5: Solve for x
    x = 297,701,965,699.05/702,780.21
  6. Step 6: Final answer
    x = 423,606.07

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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.