Home / 476,799.31-657,990.03-259,012.05

Finding the Fourth Proportional to 476,799.31, 657,990.03 and 259,012.05

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Solution

The fourth proportional to 476,799.31, 657,990.03 and 259,012.05 is: 357,440.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,799.31 : 657,990.03 = 259,012.05 : x
  2. Step 2: Convert to fraction form
    476,799.31/657,990.03 = 259,012.05/x
  3. Step 3: Cross multiply
    476,799.31x = 657,990.03 × 259,012.05
  4. Step 4: Simplify right side
    476,799.31x = 170,427,346,549.86
  5. Step 5: Solve for x
    x = 170,427,346,549.86/476,799.31
  6. Step 6: Final answer
    x = 357,440.42

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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.