Finding the Fourth Proportional to 561,547.26, 774,933.36 and 306,898.38
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Solution
The fourth proportional to 561,547.26, 774,933.36 and 306,898.38 is: 423,518.75
Step by Step Solution
- Step 1: Write the proportion equation
561,547.26 : 774,933.36 = 306,898.38 : x - Step 2: Convert to fraction form
561,547.26/774,933.36 = 306,898.38/x - Step 3: Cross multiply
561,547.26x = 774,933.36 × 306,898.38 - Step 4: Simplify right side
561,547.26x = 237,825,792,791.96 - Step 5: Solve for x
x = 237,825,792,791.96/561,547.26 - Step 6: Final answer
x = 423,518.75
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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.