Finding the Fourth Proportional to 745,584.64, 1,028,935.93 and 423,324.72
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Solution
The fourth proportional to 745,584.64, 1,028,935.93 and 423,324.72 is: 584,204.65
Step by Step Solution
- Step 1: Write the proportion equation
745,584.64 : 1,028,935.93 = 423,324.72 : x - Step 2: Convert to fraction form
745,584.64/1,028,935.93 = 423,324.72/x - Step 3: Cross multiply
745,584.64x = 1,028,935.93 × 423,324.72 - Step 4: Simplify right side
745,584.64x = 435,574,014,465.19 - Step 5: Solve for x
x = 435,574,014,465.19/745,584.64 - Step 6: Final answer
x = 584,204.65
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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.