Finding the Fourth Proportional to 998,636.36, 1,495,576.77 and 637,689.18
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Solution
The fourth proportional to 998,636.36, 1,495,576.77 and 637,689.18 is: 955,015.43
Step by Step Solution
- Step 1: Write the proportion equation
998,636.36 : 1,495,576.77 = 637,689.18 : x - Step 2: Convert to fraction form
998,636.36/1,495,576.77 = 637,689.18/x - Step 3: Cross multiply
998,636.36x = 1,495,576.77 × 637,689.18 - Step 4: Simplify right side
998,636.36x = 953,713,124,088.35 - Step 5: Solve for x
x = 953,713,124,088.35/998,636.36 - Step 6: Final answer
x = 955,015.43
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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.