Home / 739,181.45-1,020,068.49-412,491.03

Finding the Fourth Proportional to 739,181.45, 1,020,068.49 and 412,491.03

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Solution

The fourth proportional to 739,181.45, 1,020,068.49 and 412,491.03 is: 569,236.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,181.45 : 1,020,068.49 = 412,491.03 : x
  2. Step 2: Convert to fraction form
    739,181.45/1,020,068.49 = 412,491.03/x
  3. Step 3: Cross multiply
    739,181.45x = 1,020,068.49 × 412,491.03
  4. Step 4: Simplify right side
    739,181.45x = 420,769,100,048.19
  5. Step 5: Solve for x
    x = 420,769,100,048.19/739,181.45
  6. Step 6: Final answer
    x = 569,236.55

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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.