Finding the Fourth Proportional to 714,557.32, 986,189.70 and 408,698.08
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Solution
The fourth proportional to 714,557.32, 986,189.70 and 408,698.08 is: 564,060.89
Step by Step Solution
- Step 1: Write the proportion equation
714,557.32 : 986,189.70 = 408,698.08 : x - Step 2: Convert to fraction form
714,557.32/986,189.70 = 408,698.08/x - Step 3: Cross multiply
714,557.32x = 986,189.70 × 408,698.08 - Step 4: Simplify right side
714,557.32x = 403,053,836,905.78 - Step 5: Solve for x
x = 403,053,836,905.78/714,557.32 - Step 6: Final answer
x = 564,060.89
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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.