Home / 880,626.40-1,320,523.20-341,135.34

Finding the Fourth Proportional to 880,626.40, 1,320,523.20 and 341,135.34

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Solution

The fourth proportional to 880,626.40, 1,320,523.20 and 341,135.34 is: 511,541.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,626.40 : 1,320,523.20 = 341,135.34 : x
  2. Step 2: Convert to fraction form
    880,626.40/1,320,523.20 = 341,135.34/x
  3. Step 3: Cross multiply
    880,626.40x = 1,320,523.20 × 341,135.34
  4. Step 4: Simplify right side
    880,626.40x = 450,477,130,809.89
  5. Step 5: Solve for x
    x = 450,477,130,809.89/880,626.40
  6. Step 6: Final answer
    x = 511,541.71

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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.