Finding the Fourth Proportional to 908,013.68, 1,361,547.56 and 338,926.82
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Solution
The fourth proportional to 908,013.68, 1,361,547.56 and 338,926.82 is: 508,213.69
Step by Step Solution
- Step 1: Write the proportion equation
908,013.68 : 1,361,547.56 = 338,926.82 : x - Step 2: Convert to fraction form
908,013.68/1,361,547.56 = 338,926.82/x - Step 3: Cross multiply
908,013.68x = 1,361,547.56 × 338,926.82 - Step 4: Simplify right side
908,013.68x = 461,464,984,789.56 - Step 5: Solve for x
x = 461,464,984,789.56/908,013.68 - Step 6: Final answer
x = 508,213.69
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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.