Finding the Fourth Proportional to 917,729.08, 1,376,620.78 and 438,007.44
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Solution
The fourth proportional to 917,729.08, 1,376,620.78 and 438,007.44 is: 657,024.12
Step by Step Solution
- Step 1: Write the proportion equation
917,729.08 : 1,376,620.78 = 438,007.44 : x - Step 2: Convert to fraction form
917,729.08/1,376,620.78 = 438,007.44/x - Step 3: Cross multiply
917,729.08x = 1,376,620.78 × 438,007.44 - Step 4: Simplify right side
917,729.08x = 602,970,141,352.07 - Step 5: Solve for x
x = 602,970,141,352.07/917,729.08 - Step 6: Final answer
x = 657,024.12
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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.