Home / 690,741.08-1,034,198.46-353,054.54

Finding the Fourth Proportional to 690,741.08, 1,034,198.46 and 353,054.54

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Solution

The fourth proportional to 690,741.08, 1,034,198.46 and 353,054.54 is: 528,603.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,741.08 : 1,034,198.46 = 353,054.54 : x
  2. Step 2: Convert to fraction form
    690,741.08/1,034,198.46 = 353,054.54/x
  3. Step 3: Cross multiply
    690,741.08x = 1,034,198.46 × 353,054.54
  4. Step 4: Simplify right side
    690,741.08x = 365,128,461,564.01
  5. Step 5: Solve for x
    x = 365,128,461,564.01/690,741.08
  6. Step 6: Final answer
    x = 528,603.95

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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.