Finding the Fourth Proportional to 996,686.84, 1,375,408.32 and 543,981.08
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Solution
The fourth proportional to 996,686.84, 1,375,408.32 and 543,981.08 is: 750,683.24
Step by Step Solution
- Step 1: Write the proportion equation
996,686.84 : 1,375,408.32 = 543,981.08 : x - Step 2: Convert to fraction form
996,686.84/1,375,408.32 = 543,981.08/x - Step 3: Cross multiply
996,686.84x = 1,375,408.32 × 543,981.08 - Step 4: Simplify right side
996,686.84x = 748,196,103,354.59 - Step 5: Solve for x
x = 748,196,103,354.59/996,686.84 - Step 6: Final answer
x = 750,683.24
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.