Home / 1,047.37-1,445.34-605.35

Finding the Fourth Proportional to 1,047.37, 1,445.34 and 605.35

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Solution

The fourth proportional to 1,047.37, 1,445.34 and 605.35 is: 835.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047.37 : 1,445.34 = 605.35 : x
  2. Step 2: Convert to fraction form
    1,047.37/1,445.34 = 605.35/x
  3. Step 3: Cross multiply
    1,047.37x = 1,445.34 × 605.35
  4. Step 4: Simplify right side
    1,047.37x = 874,936.57
  5. Step 5: Solve for x
    x = 874,936.57/1,047.37
  6. Step 6: Final answer
    x = 835.37

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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.