Home / 682,368.72-1,023,557.18-303,200.33

Finding the Fourth Proportional to 682,368.72, 1,023,557.18 and 303,200.33

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Solution

The fourth proportional to 682,368.72, 1,023,557.18 and 303,200.33 is: 454,802.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,368.72 : 1,023,557.18 = 303,200.33 : x
  2. Step 2: Convert to fraction form
    682,368.72/1,023,557.18 = 303,200.33/x
  3. Step 3: Cross multiply
    682,368.72x = 1,023,557.18 × 303,200.33
  4. Step 4: Simplify right side
    682,368.72x = 310,342,868,116.08
  5. Step 5: Solve for x
    x = 310,342,868,116.08/682,368.72
  6. Step 6: Final answer
    x = 454,802.31

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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.