Finding the Fourth Proportional to 917,731.08, 1,376,623.78 and 438,009.44
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Solution
The fourth proportional to 917,731.08, 1,376,623.78 and 438,009.44 is: 657,027.12
Step by Step Solution
- Step 1: Write the proportion equation
917,731.08 : 1,376,623.78 = 438,009.44 : x - Step 2: Convert to fraction form
917,731.08/1,376,623.78 = 438,009.44/x - Step 3: Cross multiply
917,731.08x = 1,376,623.78 × 438,009.44 - Step 4: Simplify right side
917,731.08x = 602,974,210,968.48 - Step 5: Solve for x
x = 602,974,210,968.48/917,731.08 - Step 6: Final answer
x = 657,027.12
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.