Finding the Fourth Proportional to 724,960.88, 1,000,098.84 and 510,220.08
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Solution
The fourth proportional to 724,960.88, 1,000,098.84 and 510,220.08 is: 703,859.37
Step by Step Solution
- Step 1: Write the proportion equation
724,960.88 : 1,000,098.84 = 510,220.08 : x - Step 2: Convert to fraction form
724,960.88/1,000,098.84 = 510,220.08/x - Step 3: Cross multiply
724,960.88x = 1,000,098.84 × 510,220.08 - Step 4: Simplify right side
724,960.88x = 510,270,510,152.71 - Step 5: Solve for x
x = 510,270,510,152.71/724,960.88 - Step 6: Final answer
x = 703,859.37
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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.