Home / 548,736.40-823,104.60-490,675.60

Finding the Fourth Proportional to 548,736.40, 823,104.60 and 490,675.60

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Solution

The fourth proportional to 548,736.40, 823,104.60 and 490,675.60 is: 736,013.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,736.40 : 823,104.60 = 490,675.60 : x
  2. Step 2: Convert to fraction form
    548,736.40/823,104.60 = 490,675.60/x
  3. Step 3: Cross multiply
    548,736.40x = 823,104.60 × 490,675.60
  4. Step 4: Simplify right side
    548,736.40x = 403,877,343,467.76
  5. Step 5: Solve for x
    x = 403,877,343,467.76/548,736.40
  6. Step 6: Final answer
    x = 736,013.40

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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.