Finding the Fourth Proportional to 977,877.91, 1,349,474.61 and 542,326.33
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Solution
The fourth proportional to 977,877.91, 1,349,474.61 and 542,326.33 is: 748,412.05
Step by Step Solution
- Step 1: Write the proportion equation
977,877.91 : 1,349,474.61 = 542,326.33 : x - Step 2: Convert to fraction form
977,877.91/1,349,474.61 = 542,326.33/x - Step 3: Cross multiply
977,877.91x = 1,349,474.61 × 542,326.33 - Step 4: Simplify right side
977,877.91x = 731,855,612,669.48 - Step 5: Solve for x
x = 731,855,612,669.48/977,877.91 - Step 6: Final answer
x = 748,412.05
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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.