Finding the Fourth Proportional to 838,087.36, 1,156,565.70 and 456,118.09
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Solution
The fourth proportional to 838,087.36, 1,156,565.70 and 456,118.09 is: 629,445.76
Step by Step Solution
- Step 1: Write the proportion equation
838,087.36 : 1,156,565.70 = 456,118.09 : x - Step 2: Convert to fraction form
838,087.36/1,156,565.70 = 456,118.09/x - Step 3: Cross multiply
838,087.36x = 1,156,565.70 × 456,118.09 - Step 4: Simplify right side
838,087.36x = 527,530,535,152.10 - Step 5: Solve for x
x = 527,530,535,152.10/838,087.36 - Step 6: Final answer
x = 629,445.76
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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.