Finding the Fourth Proportional to 680,656.91, 939,270.87 and 374,673.53
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Solution
The fourth proportional to 680,656.91, 939,270.87 and 374,673.53 is: 517,029.84
Step by Step Solution
- Step 1: Write the proportion equation
680,656.91 : 939,270.87 = 374,673.53 : x - Step 2: Convert to fraction form
680,656.91/939,270.87 = 374,673.53/x - Step 3: Cross multiply
680,656.91x = 939,270.87 × 374,673.53 - Step 4: Simplify right side
680,656.91x = 351,919,934,837.25 - Step 5: Solve for x
x = 351,919,934,837.25/680,656.91 - Step 6: Final answer
x = 517,029.84
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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.