Home / 579,928.08-869,971.17-336,883.32

Finding the Fourth Proportional to 579,928.08, 869,971.17 and 336,883.32

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Solution

The fourth proportional to 579,928.08, 869,971.17 and 336,883.32 is: 505,370.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,928.08 : 869,971.17 = 336,883.32 : x
  2. Step 2: Convert to fraction form
    579,928.08/869,971.17 = 336,883.32/x
  3. Step 3: Cross multiply
    579,928.08x = 869,971.17 × 336,883.32
  4. Step 4: Simplify right side
    579,928.08x = 293,078,776,053.88
  5. Step 5: Solve for x
    x = 293,078,776,053.88/579,928.08
  6. Step 6: Final answer
    x = 505,370.90

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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.