Home / 446,108.14-615,479.34-285,057.46

Finding the Fourth Proportional to 446,108.14, 615,479.34 and 285,057.46

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Solution

The fourth proportional to 446,108.14, 615,479.34 and 285,057.46 is: 393,283.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,108.14 : 615,479.34 = 285,057.46 : x
  2. Step 2: Convert to fraction form
    446,108.14/615,479.34 = 285,057.46/x
  3. Step 3: Cross multiply
    446,108.14x = 615,479.34 × 285,057.46
  4. Step 4: Simplify right side
    446,108.14x = 175,446,977,342.88
  5. Step 5: Solve for x
    x = 175,446,977,342.88/446,108.14
  6. Step 6: Final answer
    x = 393,283.51

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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.