Home / 476,620.04-657,732.98-258,826.61

Finding the Fourth Proportional to 476,620.04, 657,732.98 and 258,826.61

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Solution

The fourth proportional to 476,620.04, 657,732.98 and 258,826.61 is: 357,179.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,620.04 : 657,732.98 = 258,826.61 : x
  2. Step 2: Convert to fraction form
    476,620.04/657,732.98 = 258,826.61/x
  3. Step 3: Cross multiply
    476,620.04x = 657,732.98 × 258,826.61
  4. Step 4: Simplify right side
    476,620.04x = 170,238,799,790.00
  5. Step 5: Solve for x
    x = 170,238,799,790.00/476,620.04
  6. Step 6: Final answer
    x = 357,179.27

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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.