Home / 859,543.14-1,289,874.18-327,068.58

Finding the Fourth Proportional to 859,543.14, 1,289,874.18 and 327,068.58

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Solution

The fourth proportional to 859,543.14, 1,289,874.18 and 327,068.58 is: 490,815.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,543.14 : 1,289,874.18 = 327,068.58 : x
  2. Step 2: Convert to fraction form
    859,543.14/1,289,874.18 = 327,068.58/x
  3. Step 3: Cross multiply
    859,543.14x = 1,289,874.18 × 327,068.58
  4. Step 4: Simplify right side
    859,543.14x = 421,877,316,431.26
  5. Step 5: Solve for x
    x = 421,877,316,431.26/859,543.14
  6. Step 6: Final answer
    x = 490,815.76

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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.