Finding the Fourth Proportional to 977,694.44, 1,349,195.28 and 542,109.68
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Solution
The fourth proportional to 977,694.44, 1,349,195.28 and 542,109.68 is: 748,098.58
Step by Step Solution
- Step 1: Write the proportion equation
977,694.44 : 1,349,195.28 = 542,109.68 : x - Step 2: Convert to fraction form
977,694.44/1,349,195.28 = 542,109.68/x - Step 3: Cross multiply
977,694.44x = 1,349,195.28 × 542,109.68 - Step 4: Simplify right side
977,694.44x = 731,411,821,498.31 - Step 5: Solve for x
x = 731,411,821,498.31/977,694.44 - Step 6: Final answer
x = 748,098.58
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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.