Home / 501,486.19-692,063.09-275,131.69

Finding the Fourth Proportional to 501,486.19, 692,063.09 and 275,131.69

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Solution

The fourth proportional to 501,486.19, 692,063.09 and 275,131.69 is: 379,688.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,486.19 : 692,063.09 = 275,131.69 : x
  2. Step 2: Convert to fraction form
    501,486.19/692,063.09 = 275,131.69/x
  3. Step 3: Cross multiply
    501,486.19x = 692,063.09 × 275,131.69
  4. Step 4: Simplify right side
    501,486.19x = 190,408,485,464.25
  5. Step 5: Solve for x
    x = 190,408,485,464.25/501,486.19
  6. Step 6: Final answer
    x = 379,688.39

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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.