Finding the Fourth Proportional to 920,521.07, 1,270,062.42 and 593,695.79
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Solution
The fourth proportional to 920,521.07, 1,270,062.42 and 593,695.79 is: 819,134.66
Step by Step Solution
- Step 1: Write the proportion equation
920,521.07 : 1,270,062.42 = 593,695.79 : x - Step 2: Convert to fraction form
920,521.07/1,270,062.42 = 593,695.79/x - Step 3: Cross multiply
920,521.07x = 1,270,062.42 × 593,695.79 - Step 4: Simplify right side
920,521.07x = 754,030,711,791.21 - Step 5: Solve for x
x = 754,030,711,791.21/920,521.07 - Step 6: Final answer
x = 819,134.66
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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.