Home / 859,097.60-1,288,646.40-298,132.10

Finding the Fourth Proportional to 859,097.60, 1,288,646.40 and 298,132.10

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Solution

The fourth proportional to 859,097.60, 1,288,646.40 and 298,132.10 is: 447,198.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,097.60 : 1,288,646.40 = 298,132.10 : x
  2. Step 2: Convert to fraction form
    859,097.60/1,288,646.40 = 298,132.10/x
  3. Step 3: Cross multiply
    859,097.60x = 1,288,646.40 × 298,132.10
  4. Step 4: Simplify right side
    859,097.60x = 384,186,857,389.44
  5. Step 5: Solve for x
    x = 384,186,857,389.44/859,097.60
  6. Step 6: Final answer
    x = 447,198.15

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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.