Finding the Fourth Proportional to 977,799.42, 1,349,294.94 and 542,238.84
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Solution
The fourth proportional to 977,799.42, 1,349,294.94 and 542,238.84 is: 748,251.75
Step by Step Solution
- Step 1: Write the proportion equation
977,799.42 : 1,349,294.94 = 542,238.84 : x - Step 2: Convert to fraction form
977,799.42/1,349,294.94 = 542,238.84/x - Step 3: Cross multiply
977,799.42x = 1,349,294.94 × 542,238.84 - Step 4: Simplify right side
977,799.42x = 731,640,123,083.47 - Step 5: Solve for x
x = 731,640,123,083.47/977,799.42 - Step 6: Final answer
x = 748,251.75
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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.