Home / 970,749.36-1,456,779.60-339,668.64

Finding the Fourth Proportional to 970,749.36, 1,456,779.60 and 339,668.64

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Solution

The fourth proportional to 970,749.36, 1,456,779.60 and 339,668.64 is: 509,732.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,749.36 : 1,456,779.60 = 339,668.64 : x
  2. Step 2: Convert to fraction form
    970,749.36/1,456,779.60 = 339,668.64/x
  3. Step 3: Cross multiply
    970,749.36x = 1,456,779.60 × 339,668.64
  4. Step 4: Simplify right side
    970,749.36x = 494,822,345,511.74
  5. Step 5: Solve for x
    x = 494,822,345,511.74/970,749.36
  6. Step 6: Final answer
    x = 509,732.34

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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.