Finding the Fourth Proportional to 839,454.24, 1,158,413.06 and 457,472.82
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Solution
The fourth proportional to 839,454.24, 1,158,413.06 and 457,472.82 is: 631,294.08
Step by Step Solution
- Step 1: Write the proportion equation
839,454.24 : 1,158,413.06 = 457,472.82 : x - Step 2: Convert to fraction form
839,454.24/1,158,413.06 = 457,472.82/x - Step 3: Cross multiply
839,454.24x = 1,158,413.06 × 457,472.82 - Step 4: Simplify right side
839,454.24x = 529,942,489,283.03 - Step 5: Solve for x
x = 529,942,489,283.03/839,454.24 - Step 6: Final answer
x = 631,294.08
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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.