Home / 607,987.28-839,065.84-336,049.36

Finding the Fourth Proportional to 607,987.28, 839,065.84 and 336,049.36

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Solution

The fourth proportional to 607,987.28, 839,065.84 and 336,049.36 is: 463,772.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,987.28 : 839,065.84 = 336,049.36 : x
  2. Step 2: Convert to fraction form
    607,987.28/839,065.84 = 336,049.36/x
  3. Step 3: Cross multiply
    607,987.28x = 839,065.84 × 336,049.36
  4. Step 4: Simplify right side
    607,987.28x = 281,967,538,529.86
  5. Step 5: Solve for x
    x = 281,967,538,529.86/607,987.28
  6. Step 6: Final answer
    x = 463,772.10

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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.