Finding the Fourth Proportional to 916,369.28, 1,374,001.68 and 410,838.74
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Solution
The fourth proportional to 916,369.28, 1,374,001.68 and 410,838.74 is: 616,010.52
Step by Step Solution
- Step 1: Write the proportion equation
916,369.28 : 1,374,001.68 = 410,838.74 : x - Step 2: Convert to fraction form
916,369.28/1,374,001.68 = 410,838.74/x - Step 3: Cross multiply
916,369.28x = 1,374,001.68 × 410,838.74 - Step 4: Simplify right side
916,369.28x = 564,493,118,969.08 - Step 5: Solve for x
x = 564,493,118,969.08/916,369.28 - Step 6: Final answer
x = 616,010.52
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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.