Home / 902,409.56-1,245,325.39-539,848.52

Finding the Fourth Proportional to 902,409.56, 1,245,325.39 and 539,848.52

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Solution

The fourth proportional to 902,409.56, 1,245,325.39 and 539,848.52 is: 744,991.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,409.56 : 1,245,325.39 = 539,848.52 : x
  2. Step 2: Convert to fraction form
    902,409.56/1,245,325.39 = 539,848.52/x
  3. Step 3: Cross multiply
    902,409.56x = 1,245,325.39 × 539,848.52
  4. Step 4: Simplify right side
    902,409.56x = 672,287,062,483.30
  5. Step 5: Solve for x
    x = 672,287,062,483.30/902,409.56
  6. Step 6: Final answer
    x = 744,991.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.