Finding the Fourth Proportional to 804,527.80, 1,109,930.93 and 518,214.07
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Solution
The fourth proportional to 804,527.80, 1,109,930.93 and 518,214.07 is: 714,930.95
Step by Step Solution
- Step 1: Write the proportion equation
804,527.80 : 1,109,930.93 = 518,214.07 : x - Step 2: Convert to fraction form
804,527.80/1,109,930.93 = 518,214.07/x - Step 3: Cross multiply
804,527.80x = 1,109,930.93 × 518,214.07 - Step 4: Simplify right side
804,527.80x = 575,181,824,654.19 - Step 5: Solve for x
x = 575,181,824,654.19/804,527.80 - Step 6: Final answer
x = 714,930.95
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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.