Home / 814,430.40-1,220,640.84-590,559.36

Finding the Fourth Proportional to 814,430.40, 1,220,640.84 and 590,559.36

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Solution

The fourth proportional to 814,430.40, 1,220,640.84 and 590,559.36 is: 885,110.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,430.40 : 1,220,640.84 = 590,559.36 : x
  2. Step 2: Convert to fraction form
    814,430.40/1,220,640.84 = 590,559.36/x
  3. Step 3: Cross multiply
    814,430.40x = 1,220,640.84 × 590,559.36
  4. Step 4: Simplify right side
    814,430.40x = 720,860,873,260.26
  5. Step 5: Solve for x
    x = 720,860,873,260.26/814,430.40
  6. Step 6: Final answer
    x = 885,110.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.