Home / 428,629.02-590,158.35-326,326.02

Finding the Fourth Proportional to 428,629.02, 590,158.35 and 326,326.02

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Solution

The fourth proportional to 428,629.02, 590,158.35 and 326,326.02 is: 449,302.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,629.02 : 590,158.35 = 326,326.02 : x
  2. Step 2: Convert to fraction form
    428,629.02/590,158.35 = 326,326.02/x
  3. Step 3: Cross multiply
    428,629.02x = 590,158.35 × 326,326.02
  4. Step 4: Simplify right side
    428,629.02x = 192,584,025,525.27
  5. Step 5: Solve for x
    x = 192,584,025,525.27/428,629.02
  6. Step 6: Final answer
    x = 449,302.35

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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.