Home / 428,967.03-591,728.53-267,541.83

Finding the Fourth Proportional to 428,967.03, 591,728.53 and 267,541.83

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Solution

The fourth proportional to 428,967.03, 591,728.53 and 267,541.83 is: 369,054.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,967.03 : 591,728.53 = 267,541.83 : x
  2. Step 2: Convert to fraction form
    428,967.03/591,728.53 = 267,541.83/x
  3. Step 3: Cross multiply
    428,967.03x = 591,728.53 × 267,541.83
  4. Step 4: Simplify right side
    428,967.03x = 158,312,133,779.41
  5. Step 5: Solve for x
    x = 158,312,133,779.41/428,967.03
  6. Step 6: Final answer
    x = 369,054.32

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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.