Home / 890,453.40-1,333,865.70-552,456.60

Finding the Fourth Proportional to 890,453.40, 1,333,865.70 and 552,456.60

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Solution

The fourth proportional to 890,453.40, 1,333,865.70 and 552,456.60 is: 827,559.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,453.40 : 1,333,865.70 = 552,456.60 : x
  2. Step 2: Convert to fraction form
    890,453.40/1,333,865.70 = 552,456.60/x
  3. Step 3: Cross multiply
    890,453.40x = 1,333,865.70 × 552,456.60
  4. Step 4: Simplify right side
    890,453.40x = 736,902,909,478.62
  5. Step 5: Solve for x
    x = 736,902,909,478.62/890,453.40
  6. Step 6: Final answer
    x = 827,559.21

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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.