Finding the Fourth Proportional to 788,818.18, 1,088,655.60 and 457,747.06
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Solution
The fourth proportional to 788,818.18, 1,088,655.60 and 457,747.06 is: 631,741.15
Step by Step Solution
- Step 1: Write the proportion equation
788,818.18 : 1,088,655.60 = 457,747.06 : x - Step 2: Convert to fraction form
788,818.18/1,088,655.60 = 457,747.06/x - Step 3: Cross multiply
788,818.18x = 1,088,655.60 × 457,747.06 - Step 4: Simplify right side
788,818.18x = 498,328,900,252.54 - Step 5: Solve for x
x = 498,328,900,252.54/788,818.18 - Step 6: Final answer
x = 631,741.15
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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.