Finding the Fourth Proportional to 870,304.78, 1,201,106.91 and 584,420.14
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Solution
The fourth proportional to 870,304.78, 1,201,106.91 and 584,420.14 is: 806,557.75
Step by Step Solution
- Step 1: Write the proportion equation
870,304.78 : 1,201,106.91 = 584,420.14 : x - Step 2: Convert to fraction form
870,304.78/1,201,106.91 = 584,420.14/x - Step 3: Cross multiply
870,304.78x = 1,201,106.91 × 584,420.14 - Step 4: Simplify right side
870,304.78x = 701,951,068,497.17 - Step 5: Solve for x
x = 701,951,068,497.17/870,304.78 - Step 6: Final answer
x = 806,557.75
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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.