Home / 490,827.74-677,114.94-286,887.25

Finding the Fourth Proportional to 490,827.74, 677,114.94 and 286,887.25

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Solution

The fourth proportional to 490,827.74, 677,114.94 and 286,887.25 is: 395,771.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,827.74 : 677,114.94 = 286,887.25 : x
  2. Step 2: Convert to fraction form
    490,827.74/677,114.94 = 286,887.25/x
  3. Step 3: Cross multiply
    490,827.74x = 677,114.94 × 286,887.25
  4. Step 4: Simplify right side
    490,827.74x = 194,255,644,992.74
  5. Step 5: Solve for x
    x = 194,255,644,992.74/490,827.74
  6. Step 6: Final answer
    x = 395,771.53

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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.