Finding the Fourth Proportional to 750,471.35, 1,035,631.31 and 419,329.98
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Solution
The fourth proportional to 750,471.35, 1,035,631.31 and 419,329.98 is: 578,664.67
Step by Step Solution
- Step 1: Write the proportion equation
750,471.35 : 1,035,631.31 = 419,329.98 : x - Step 2: Convert to fraction form
750,471.35/1,035,631.31 = 419,329.98/x - Step 3: Cross multiply
750,471.35x = 1,035,631.31 × 419,329.98 - Step 4: Simplify right side
750,471.35x = 434,271,254,413.02 - Step 5: Solve for x
x = 434,271,254,413.02/750,471.35 - Step 6: Final answer
x = 578,664.67
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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.