Home / 538,150.06-742,643.63-296,427.02

Finding the Fourth Proportional to 538,150.06, 742,643.63 and 296,427.02

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Solution

The fourth proportional to 538,150.06, 742,643.63 and 296,427.02 is: 409,067.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,150.06 : 742,643.63 = 296,427.02 : x
  2. Step 2: Convert to fraction form
    538,150.06/742,643.63 = 296,427.02/x
  3. Step 3: Cross multiply
    538,150.06x = 742,643.63 × 296,427.02
  4. Step 4: Simplify right side
    538,150.06x = 220,139,638,537.36
  5. Step 5: Solve for x
    x = 220,139,638,537.36/538,150.06
  6. Step 6: Final answer
    x = 409,067.39

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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.