Home / 899,065.20-1,240,712.46-491,170.80

Finding the Fourth Proportional to 899,065.20, 1,240,712.46 and 491,170.80

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Solution

The fourth proportional to 899,065.20, 1,240,712.46 and 491,170.80 is: 677,817.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,065.20 : 1,240,712.46 = 491,170.80 : x
  2. Step 2: Convert to fraction form
    899,065.20/1,240,712.46 = 491,170.80/x
  3. Step 3: Cross multiply
    899,065.20x = 1,240,712.46 × 491,170.80
  4. Step 4: Simplify right side
    899,065.20x = 609,401,731,548.17
  5. Step 5: Solve for x
    x = 609,401,731,548.17/899,065.20
  6. Step 6: Final answer
    x = 677,817.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.