Home / 446,261.28-669,415.29-339,812.19

Finding the Fourth Proportional to 446,261.28, 669,415.29 and 339,812.19

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Solution

The fourth proportional to 446,261.28, 669,415.29 and 339,812.19 is: 509,736.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,261.28 : 669,415.29 = 339,812.19 : x
  2. Step 2: Convert to fraction form
    446,261.28/669,415.29 = 339,812.19/x
  3. Step 3: Cross multiply
    446,261.28x = 669,415.29 × 339,812.19
  4. Step 4: Simplify right side
    446,261.28x = 227,475,475,714.39
  5. Step 5: Solve for x
    x = 227,475,475,714.39/446,261.28
  6. Step 6: Final answer
    x = 509,736.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.