Home / 490,050.88-676,249.26-286,113.10

Finding the Fourth Proportional to 490,050.88, 676,249.26 and 286,113.10

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Solution

The fourth proportional to 490,050.88, 676,249.26 and 286,113.10 is: 394,823.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,050.88 : 676,249.26 = 286,113.10 : x
  2. Step 2: Convert to fraction form
    490,050.88/676,249.26 = 286,113.10/x
  3. Step 3: Cross multiply
    490,050.88x = 676,249.26 × 286,113.10
  4. Step 4: Simplify right side
    490,050.88x = 193,483,772,151.31
  5. Step 5: Solve for x
    x = 193,483,772,151.31/490,050.88
  6. Step 6: Final answer
    x = 394,823.84

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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.