Home / 815,759.33-1,125,779.63-558,176.31

Finding the Fourth Proportional to 815,759.33, 1,125,779.63 and 558,176.31

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Solution

The fourth proportional to 815,759.33, 1,125,779.63 and 558,176.31 is: 770,305.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,759.33 : 1,125,779.63 = 558,176.31 : x
  2. Step 2: Convert to fraction form
    815,759.33/1,125,779.63 = 558,176.31/x
  3. Step 3: Cross multiply
    815,759.33x = 1,125,779.63 × 558,176.31
  4. Step 4: Simplify right side
    815,759.33x = 628,383,516,955.68
  5. Step 5: Solve for x
    x = 628,383,516,955.68/815,759.33
  6. Step 6: Final answer
    x = 770,305.04

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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.