Finding the Fourth Proportional to 926,522.12, 1,278,622.17 and 518,613.81
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Solution
The fourth proportional to 926,522.12, 1,278,622.17 and 518,613.81 is: 715,699.18
Step by Step Solution
- Step 1: Write the proportion equation
926,522.12 : 1,278,622.17 = 518,613.81 : x - Step 2: Convert to fraction form
926,522.12/1,278,622.17 = 518,613.81/x - Step 3: Cross multiply
926,522.12x = 1,278,622.17 × 518,613.81 - Step 4: Simplify right side
926,522.12x = 663,111,115,134.17 - Step 5: Solve for x
x = 663,111,115,134.17/926,522.12 - Step 6: Final answer
x = 715,699.18
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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.