Home / 902,860.65-1,245,998.52-535,555.60

Finding the Fourth Proportional to 902,860.65, 1,245,998.52 and 535,555.60

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Solution

The fourth proportional to 902,860.65, 1,245,998.52 and 535,555.60 is: 739,096.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,860.65 : 1,245,998.52 = 535,555.60 : x
  2. Step 2: Convert to fraction form
    902,860.65/1,245,998.52 = 535,555.60/x
  3. Step 3: Cross multiply
    902,860.65x = 1,245,998.52 × 535,555.60
  4. Step 4: Simplify right side
    902,860.65x = 667,301,483,368.97
  5. Step 5: Solve for x
    x = 667,301,483,368.97/902,860.65
  6. Step 6: Final answer
    x = 739,096.87

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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.