Home / 1,047.13-1,445.22-605.29

Finding the Fourth Proportional to 1,047.13, 1,445.22 and 605.29

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Solution

The fourth proportional to 1,047.13, 1,445.22 and 605.29 is: 835.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047.13 : 1,445.22 = 605.29 : x
  2. Step 2: Convert to fraction form
    1,047.13/1,445.22 = 605.29/x
  3. Step 3: Cross multiply
    1,047.13x = 1,445.22 × 605.29
  4. Step 4: Simplify right side
    1,047.13x = 874,779.19
  5. Step 5: Solve for x
    x = 874,779.19/1,047.13
  6. Step 6: Final answer
    x = 835.40

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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.