Finding the Fourth Proportional to 943,463.68, 1,301,935.52 and 513,742.48
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Solution
The fourth proportional to 943,463.68, 1,301,935.52 and 513,742.48 is: 708,940.47
Step by Step Solution
- Step 1: Write the proportion equation
943,463.68 : 1,301,935.52 = 513,742.48 : x - Step 2: Convert to fraction form
943,463.68/1,301,935.52 = 513,742.48/x - Step 3: Cross multiply
943,463.68x = 1,301,935.52 × 513,742.48 - Step 4: Simplify right side
943,463.68x = 668,859,582,844.89 - Step 5: Solve for x
x = 668,859,582,844.89/943,463.68 - Step 6: Final answer
x = 708,940.47
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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.