Home / 857,395.24-1,286,591.09-384,080.60

Finding the Fourth Proportional to 857,395.24, 1,286,591.09 and 384,080.60

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Solution

The fourth proportional to 857,395.24, 1,286,591.09 and 384,080.60 is: 576,344.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,395.24 : 1,286,591.09 = 384,080.60 : x
  2. Step 2: Convert to fraction form
    857,395.24/1,286,591.09 = 384,080.60/x
  3. Step 3: Cross multiply
    857,395.24x = 1,286,591.09 × 384,080.60
  4. Step 4: Simplify right side
    857,395.24x = 494,154,683,152.11
  5. Step 5: Solve for x
    x = 494,154,683,152.11/857,395.24
  6. Step 6: Final answer
    x = 576,344.09

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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.