Finding the Fourth Proportional to 788,805.70, 1,183,208.55 and 539,973.70
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Solution
The fourth proportional to 788,805.70, 1,183,208.55 and 539,973.70 is: 809,960.55
Step by Step Solution
- Step 1: Write the proportion equation
788,805.70 : 1,183,208.55 = 539,973.70 : x - Step 2: Convert to fraction form
788,805.70/1,183,208.55 = 539,973.70/x - Step 3: Cross multiply
788,805.70x = 1,183,208.55 × 539,973.70 - Step 4: Simplify right side
788,805.70x = 638,901,498,615.14 - Step 5: Solve for x
x = 638,901,498,615.14/788,805.70 - Step 6: Final answer
x = 809,960.55
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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.