Home / 477,075.48-658,376.28-262,221

Finding the Fourth Proportional to 477,075.48, 658,376.28 and 262,221

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Solution

The fourth proportional to 477,075.48, 658,376.28 and 262,221 is: 361,871.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,075.48 : 658,376.28 = 262,221 : x
  2. Step 2: Convert to fraction form
    477,075.48/658,376.28 = 262,221/x
  3. Step 3: Cross multiply
    477,075.48x = 658,376.28 × 262,221
  4. Step 4: Simplify right side
    477,075.48x = 172,640,086,517.88
  5. Step 5: Solve for x
    x = 172,640,086,517.88/477,075.48
  6. Step 6: Final answer
    x = 361,871.64

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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.