Home / 859,816.32-1,289,841.12-298,777.92

Finding the Fourth Proportional to 859,816.32, 1,289,841.12 and 298,777.92

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Solution

The fourth proportional to 859,816.32, 1,289,841.12 and 298,777.92 is: 448,207.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,816.32 : 1,289,841.12 = 298,777.92 : x
  2. Step 2: Convert to fraction form
    859,816.32/1,289,841.12 = 298,777.92/x
  3. Step 3: Cross multiply
    859,816.32x = 1,289,841.12 × 298,777.92
  4. Step 4: Simplify right side
    859,816.32x = 385,376,046,964.07
  5. Step 5: Solve for x
    x = 385,376,046,964.07/859,816.32
  6. Step 6: Final answer
    x = 448,207.41

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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.