Finding the Fourth Proportional to 602,992.32, 832,133.12 and 331,072.08
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Solution
The fourth proportional to 602,992.32, 832,133.12 and 331,072.08 is: 456,881.51
Step by Step Solution
- Step 1: Write the proportion equation
602,992.32 : 832,133.12 = 331,072.08 : x - Step 2: Convert to fraction form
602,992.32/832,133.12 = 331,072.08/x - Step 3: Cross multiply
602,992.32x = 832,133.12 × 331,072.08 - Step 4: Simplify right side
602,992.32x = 275,496,042,875.29 - Step 5: Solve for x
x = 275,496,042,875.29/602,992.32 - Step 6: Final answer
x = 456,881.51
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1.5x scale
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.