Finding the Fourth Proportional to 692,467.62, 1,038,836.07 and 265,972.09
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Solution
The fourth proportional to 692,467.62, 1,038,836.07 and 265,972.09 is: 399,009.85
Step by Step Solution
- Step 1: Write the proportion equation
692,467.62 : 1,038,836.07 = 265,972.09 : x - Step 2: Convert to fraction form
692,467.62/1,038,836.07 = 265,972.09/x - Step 3: Cross multiply
692,467.62x = 1,038,836.07 × 265,972.09 - Step 4: Simplify right side
692,467.62x = 276,301,400,705.29 - Step 5: Solve for x
x = 276,301,400,705.29/692,467.62 - Step 6: Final answer
x = 399,009.85
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.