Home / 695,861.45-1,042,020.24-458,484.47

Finding the Fourth Proportional to 695,861.45, 1,042,020.24 and 458,484.47

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Solution

The fourth proportional to 695,861.45, 1,042,020.24 and 458,484.47 is: 686,559.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,861.45 : 1,042,020.24 = 458,484.47 : x
  2. Step 2: Convert to fraction form
    695,861.45/1,042,020.24 = 458,484.47/x
  3. Step 3: Cross multiply
    695,861.45x = 1,042,020.24 × 458,484.47
  4. Step 4: Simplify right side
    695,861.45x = 477,750,089,963.15
  5. Step 5: Solve for x
    x = 477,750,089,963.15/695,861.45
  6. Step 6: Final answer
    x = 686,559.22

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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.