Finding the Fourth Proportional to 865,634.37, 1,304,360.14 and 711,319.65
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Solution
The fourth proportional to 865,634.37, 1,304,360.14 and 711,319.65 is: 1,071,834.75
Step by Step Solution
- Step 1: Write the proportion equation
865,634.37 : 1,304,360.14 = 711,319.65 : x - Step 2: Convert to fraction form
865,634.37/1,304,360.14 = 711,319.65/x - Step 3: Cross multiply
865,634.37x = 1,304,360.14 × 711,319.65 - Step 4: Simplify right side
865,634.37x = 927,816,998,258.75 - Step 5: Solve for x
x = 927,816,998,258.75/865,634.37 - Step 6: Final answer
x = 1,071,834.75
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.