Finding the Fourth Proportional to 956,380.74, 1,319,409.32 and 569,118.62
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Solution
The fourth proportional to 956,380.74, 1,319,409.32 and 569,118.62 is: 785,147.99
Step by Step Solution
- Step 1: Write the proportion equation
956,380.74 : 1,319,409.32 = 569,118.62 : x - Step 2: Convert to fraction form
956,380.74/1,319,409.32 = 569,118.62/x - Step 3: Cross multiply
956,380.74x = 1,319,409.32 × 569,118.62 - Step 4: Simplify right side
956,380.74x = 750,900,411,413.54 - Step 5: Solve for x
x = 750,900,411,413.54/956,380.74 - Step 6: Final answer
x = 785,147.99
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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.