Home / 890,512.48-1,335,783.30-259,460.92

Finding the Fourth Proportional to 890,512.48, 1,335,783.30 and 259,460.92

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Solution

The fourth proportional to 890,512.48, 1,335,783.30 and 259,460.92 is: 389,195.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,512.48 : 1,335,783.30 = 259,460.92 : x
  2. Step 2: Convert to fraction form
    890,512.48/1,335,783.30 = 259,460.92/x
  3. Step 3: Cross multiply
    890,512.48x = 1,335,783.30 × 259,460.92
  4. Step 4: Simplify right side
    890,512.48x = 346,583,563,938.64
  5. Step 5: Solve for x
    x = 346,583,563,938.64/890,512.48
  6. Step 6: Final answer
    x = 389,195.63

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1.5x scale

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.