Finding the Fourth Proportional to 1,006,215.84, 1,509,323.76 and 258,261.84
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Solution
The fourth proportional to 1,006,215.84, 1,509,323.76 and 258,261.84 is: 387,392.76
Step by Step Solution
- Step 1: Write the proportion equation
1,006,215.84 : 1,509,323.76 = 258,261.84 : x - Step 2: Convert to fraction form
1,006,215.84/1,509,323.76 = 258,261.84/x - Step 3: Cross multiply
1,006,215.84x = 1,509,323.76 × 258,261.84 - Step 4: Simplify right side
1,006,215.84x = 389,800,731,413.32 - Step 5: Solve for x
x = 389,800,731,413.32/1,006,215.84 - Step 6: Final answer
x = 387,392.76
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.