Home / 501,537.58-692,121.78-286,682.25

Finding the Fourth Proportional to 501,537.58, 692,121.78 and 286,682.25

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Solution

The fourth proportional to 501,537.58, 692,121.78 and 286,682.25 is: 395,621.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,537.58 : 692,121.78 = 286,682.25 : x
  2. Step 2: Convert to fraction form
    501,537.58/692,121.78 = 286,682.25/x
  3. Step 3: Cross multiply
    501,537.58x = 692,121.78 × 286,682.25
  4. Step 4: Simplify right side
    501,537.58x = 198,419,031,759.86
  5. Step 5: Solve for x
    x = 198,419,031,759.86/501,537.58
  6. Step 6: Final answer
    x = 395,621.47

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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.