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Finding the Fourth Proportional to 446,335.36, 615,637.02 and 285,118.84

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Solution

The fourth proportional to 446,335.36, 615,637.02 and 285,118.84 is: 393,268.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,335.36 : 615,637.02 = 285,118.84 : x
  2. Step 2: Convert to fraction form
    446,335.36/615,637.02 = 285,118.84/x
  3. Step 3: Cross multiply
    446,335.36x = 615,637.02 × 285,118.84
  4. Step 4: Simplify right side
    446,335.36x = 175,529,713,003.46
  5. Step 5: Solve for x
    x = 175,529,713,003.46/446,335.36
  6. Step 6: Final answer
    x = 393,268.67

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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.