Home / 427,828.98-590,218.61-257,968.74

Finding the Fourth Proportional to 427,828.98, 590,218.61 and 257,968.74

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Solution

The fourth proportional to 427,828.98, 590,218.61 and 257,968.74 is: 355,885.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,828.98 : 590,218.61 = 257,968.74 : x
  2. Step 2: Convert to fraction form
    427,828.98/590,218.61 = 257,968.74/x
  3. Step 3: Cross multiply
    427,828.98x = 590,218.61 × 257,968.74
  4. Step 4: Simplify right side
    427,828.98x = 152,257,951,146.25
  5. Step 5: Solve for x
    x = 152,257,951,146.25/427,828.98
  6. Step 6: Final answer
    x = 355,885.08

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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.