Home / 802,528.40-1,203,442.63-303,542.48

Finding the Fourth Proportional to 802,528.40, 1,203,442.63 and 303,542.48

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Solution

The fourth proportional to 802,528.40, 1,203,442.63 and 303,542.48 is: 455,181.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,528.40 : 1,203,442.63 = 303,542.48 : x
  2. Step 2: Convert to fraction form
    802,528.40/1,203,442.63 = 303,542.48/x
  3. Step 3: Cross multiply
    802,528.40x = 1,203,442.63 × 303,542.48
  4. Step 4: Simplify right side
    802,528.40x = 365,295,960,447.92
  5. Step 5: Solve for x
    x = 365,295,960,447.92/802,528.40
  6. Step 6: Final answer
    x = 455,181.35

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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.