Home / 753,942.90-1,040,683.68-482,741.22

Finding the Fourth Proportional to 753,942.90, 1,040,683.68 and 482,741.22

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Solution

The fourth proportional to 753,942.90, 1,040,683.68 and 482,741.22 is: 666,338.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,942.90 : 1,040,683.68 = 482,741.22 : x
  2. Step 2: Convert to fraction form
    753,942.90/1,040,683.68 = 482,741.22/x
  3. Step 3: Cross multiply
    753,942.90x = 1,040,683.68 × 482,741.22
  4. Step 4: Simplify right side
    753,942.90x = 502,380,909,317.29
  5. Step 5: Solve for x
    x = 502,380,909,317.29/753,942.90
  6. Step 6: Final answer
    x = 666,338.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.