Home / 842,264.30-1,263,258.05-302,408.82

Finding the Fourth Proportional to 842,264.30, 1,263,258.05 and 302,408.82

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Solution

The fourth proportional to 842,264.30, 1,263,258.05 and 302,408.82 is: 453,563.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,264.30 : 1,263,258.05 = 302,408.82 : x
  2. Step 2: Convert to fraction form
    842,264.30/1,263,258.05 = 302,408.82/x
  3. Step 3: Cross multiply
    842,264.30x = 1,263,258.05 × 302,408.82
  4. Step 4: Simplify right side
    842,264.30x = 382,020,374,743.96
  5. Step 5: Solve for x
    x = 382,020,374,743.96/842,264.30
  6. Step 6: Final answer
    x = 453,563.54

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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.