Home / 548,899.40-823,349.10-511,574.60

Finding the Fourth Proportional to 548,899.40, 823,349.10 and 511,574.60

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Solution

The fourth proportional to 548,899.40, 823,349.10 and 511,574.60 is: 767,361.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,899.40 : 823,349.10 = 511,574.60 : x
  2. Step 2: Convert to fraction form
    548,899.40/823,349.10 = 511,574.60/x
  3. Step 3: Cross multiply
    548,899.40x = 823,349.10 × 511,574.60
  4. Step 4: Simplify right side
    548,899.40x = 421,204,486,492.86
  5. Step 5: Solve for x
    x = 421,204,486,492.86/548,899.40
  6. Step 6: Final answer
    x = 767,361.90

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Similar ratio
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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.