Home / 915,514.96-1,373,010-275,880.64

Finding the Fourth Proportional to 915,514.96, 1,373,010 and 275,880.64

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Solution

The fourth proportional to 915,514.96, 1,373,010 and 275,880.64 is: 413,741.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,514.96 : 1,373,010 = 275,880.64 : x
  2. Step 2: Convert to fraction form
    915,514.96/1,373,010 = 275,880.64/x
  3. Step 3: Cross multiply
    915,514.96x = 1,373,010 × 275,880.64
  4. Step 4: Simplify right side
    915,514.96x = 378,786,877,526.40
  5. Step 5: Solve for x
    x = 378,786,877,526.40/915,514.96
  6. Step 6: Final answer
    x = 413,741.88

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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.