Finding the Fourth Proportional to 628,809.80, 943,214.70 and 591,945.80
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Solution
The fourth proportional to 628,809.80, 943,214.70 and 591,945.80 is: 887,918.70
Step by Step Solution
- Step 1: Write the proportion equation
628,809.80 : 943,214.70 = 591,945.80 : x - Step 2: Convert to fraction form
628,809.80/943,214.70 = 591,945.80/x - Step 3: Cross multiply
628,809.80x = 943,214.70 × 591,945.80 - Step 4: Simplify right side
628,809.80x = 558,331,980,163.26 - Step 5: Solve for x
x = 558,331,980,163.26/628,809.80 - Step 6: Final answer
x = 887,918.70
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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.