Home / 753,769.08-1,040,241.22-427,145.40

Finding the Fourth Proportional to 753,769.08, 1,040,241.22 and 427,145.40

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Solution

The fourth proportional to 753,769.08, 1,040,241.22 and 427,145.40 is: 589,483.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,769.08 : 1,040,241.22 = 427,145.40 : x
  2. Step 2: Convert to fraction form
    753,769.08/1,040,241.22 = 427,145.40/x
  3. Step 3: Cross multiply
    753,769.08x = 1,040,241.22 × 427,145.40
  4. Step 4: Simplify right side
    753,769.08x = 444,334,250,945.53
  5. Step 5: Solve for x
    x = 444,334,250,945.53/753,769.08
  6. Step 6: Final answer
    x = 589,483.26

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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.