Home / 808,007.60-1,211,243.40-302,433.20

Finding the Fourth Proportional to 808,007.60, 1,211,243.40 and 302,433.20

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Solution

The fourth proportional to 808,007.60, 1,211,243.40 and 302,433.20 is: 453,362.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,007.60 : 1,211,243.40 = 302,433.20 : x
  2. Step 2: Convert to fraction form
    808,007.60/1,211,243.40 = 302,433.20/x
  3. Step 3: Cross multiply
    808,007.60x = 1,211,243.40 × 302,433.20
  4. Step 4: Simplify right side
    808,007.60x = 366,320,217,440.88
  5. Step 5: Solve for x
    x = 366,320,217,440.88/808,007.60
  6. Step 6: Final answer
    x = 453,362.34

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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.