Home / 699,509.01-1,048,262.36-300,042.93

Finding the Fourth Proportional to 699,509.01, 1,048,262.36 and 300,042.93

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Solution

The fourth proportional to 699,509.01, 1,048,262.36 and 300,042.93 is: 449,634.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,509.01 : 1,048,262.36 = 300,042.93 : x
  2. Step 2: Convert to fraction form
    699,509.01/1,048,262.36 = 300,042.93/x
  3. Step 3: Cross multiply
    699,509.01x = 1,048,262.36 × 300,042.93
  4. Step 4: Simplify right side
    699,509.01x = 314,523,714,021.63
  5. Step 5: Solve for x
    x = 314,523,714,021.63/699,509.01
  6. Step 6: Final answer
    x = 449,634.97

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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.