Finding the Fourth Proportional to 916,709.84, 1,264,956.97 and 508,828.88
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Solution
The fourth proportional to 916,709.84, 1,264,956.97 and 508,828.88 is: 702,126.90
Step by Step Solution
- Step 1: Write the proportion equation
916,709.84 : 1,264,956.97 = 508,828.88 : x - Step 2: Convert to fraction form
916,709.84/1,264,956.97 = 508,828.88/x - Step 3: Cross multiply
916,709.84x = 1,264,956.97 × 508,828.88 - Step 4: Simplify right side
916,709.84x = 643,646,638,293.29 - Step 5: Solve for x
x = 643,646,638,293.29/916,709.84 - Step 6: Final answer
x = 702,126.90
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.