Finding the Fourth Proportional to 951,207.07, 1,312,665.42 and 521,477.98
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Solution
The fourth proportional to 951,207.07, 1,312,665.42 and 521,477.98 is: 719,639.43
Step by Step Solution
- Step 1: Write the proportion equation
951,207.07 : 1,312,665.42 = 521,477.98 : x - Step 2: Convert to fraction form
951,207.07/1,312,665.42 = 521,477.98/x - Step 3: Cross multiply
951,207.07x = 1,312,665.42 × 521,477.98 - Step 4: Simplify right side
951,207.07x = 684,526,111,637.45 - Step 5: Solve for x
x = 684,526,111,637.45/951,207.07 - Step 6: Final answer
x = 719,639.43
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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.