Finding the Fourth Proportional to 864,402.18, 1,295,553.44 and 611,756.51
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Solution
The fourth proportional to 864,402.18, 1,295,553.44 and 611,756.51 is: 916,891.77
Step by Step Solution
- Step 1: Write the proportion equation
864,402.18 : 1,295,553.44 = 611,756.51 : x - Step 2: Convert to fraction form
864,402.18/1,295,553.44 = 611,756.51/x - Step 3: Cross multiply
864,402.18x = 1,295,553.44 × 611,756.51 - Step 4: Simplify right side
864,402.18x = 792,563,241,436.35 - Step 5: Solve for x
x = 792,563,241,436.35/864,402.18 - Step 6: Final answer
x = 916,891.77
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.