Home / 538,256.52-742,789.98-323,391.06

Finding the Fourth Proportional to 538,256.52, 742,789.98 and 323,391.06

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Solution

The fourth proportional to 538,256.52, 742,789.98 and 323,391.06 is: 446,277.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,256.52 : 742,789.98 = 323,391.06 : x
  2. Step 2: Convert to fraction form
    538,256.52/742,789.98 = 323,391.06/x
  3. Step 3: Cross multiply
    538,256.52x = 742,789.98 × 323,391.06
  4. Step 4: Simplify right side
    538,256.52x = 240,211,638,989.58
  5. Step 5: Solve for x
    x = 240,211,638,989.58/538,256.52
  6. Step 6: Final answer
    x = 446,277.25

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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.