Home / 438,467.60-605,666.21-352,749.42

Finding the Fourth Proportional to 438,467.60, 605,666.21 and 352,749.42

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Solution

The fourth proportional to 438,467.60, 605,666.21 and 352,749.42 is: 487,261.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,467.60 : 605,666.21 = 352,749.42 : x
  2. Step 2: Convert to fraction form
    438,467.60/605,666.21 = 352,749.42/x
  3. Step 3: Cross multiply
    438,467.60x = 605,666.21 × 352,749.42
  4. Step 4: Simplify right side
    438,467.60x = 213,648,402,527.35
  5. Step 5: Solve for x
    x = 213,648,402,527.35/438,467.60
  6. Step 6: Final answer
    x = 487,261.56

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1.5x scale

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.