Home / 702,645.30-1,054,559.79-303,588.54

Finding the Fourth Proportional to 702,645.30, 1,054,559.79 and 303,588.54

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Solution

The fourth proportional to 702,645.30, 1,054,559.79 and 303,588.54 is: 455,638.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,645.30 : 1,054,559.79 = 303,588.54 : x
  2. Step 2: Convert to fraction form
    702,645.30/1,054,559.79 = 303,588.54/x
  3. Step 3: Cross multiply
    702,645.30x = 1,054,559.79 × 303,588.54
  4. Step 4: Simplify right side
    702,645.30x = 320,152,266,988.81
  5. Step 5: Solve for x
    x = 320,152,266,988.81/702,645.30
  6. Step 6: Final answer
    x = 455,638.52

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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.