Home / 476,785.89-657,957.25-258,993.50

Finding the Fourth Proportional to 476,785.89, 657,957.25 and 258,993.50

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Solution

The fourth proportional to 476,785.89, 657,957.25 and 258,993.50 is: 357,407.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,785.89 : 657,957.25 = 258,993.50 : x
  2. Step 2: Convert to fraction form
    476,785.89/657,957.25 = 258,993.50/x
  3. Step 3: Cross multiply
    476,785.89x = 657,957.25 × 258,993.50
  4. Step 4: Simplify right side
    476,785.89x = 170,406,647,090.61
  5. Step 5: Solve for x
    x = 170,406,647,090.61/476,785.89
  6. Step 6: Final answer
    x = 357,407.07

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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.