Home / 806,056.02-1,209,040.20-245,046.78

Finding the Fourth Proportional to 806,056.02, 1,209,040.20 and 245,046.78

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Solution

The fourth proportional to 806,056.02, 1,209,040.20 and 245,046.78 is: 367,556.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,056.02 : 1,209,040.20 = 245,046.78 : x
  2. Step 2: Convert to fraction form
    806,056.02/1,209,040.20 = 245,046.78/x
  3. Step 3: Cross multiply
    806,056.02x = 1,209,040.20 × 245,046.78
  4. Step 4: Simplify right side
    806,056.02x = 296,271,407,900.56
  5. Step 5: Solve for x
    x = 296,271,407,900.56/806,056.02
  6. Step 6: Final answer
    x = 367,556.85

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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.