Home / 428,977.88-592,060.29-238,052.78

Finding the Fourth Proportional to 428,977.88, 592,060.29 and 238,052.78

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Solution

The fourth proportional to 428,977.88, 592,060.29 and 238,052.78 is: 328,552.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,977.88 : 592,060.29 = 238,052.78 : x
  2. Step 2: Convert to fraction form
    428,977.88/592,060.29 = 238,052.78/x
  3. Step 3: Cross multiply
    428,977.88x = 592,060.29 × 238,052.78
  4. Step 4: Simplify right side
    428,977.88x = 140,941,597,962.11
  5. Step 5: Solve for x
    x = 140,941,597,962.11/428,977.88
  6. Step 6: Final answer
    x = 328,552.13

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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.