Finding the Fourth Proportional to 891,698.37, 1,337,751.68 and 386,343.42
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Solution
The fourth proportional to 891,698.37, 1,337,751.68 and 386,343.42 is: 579,603.57
Step by Step Solution
- Step 1: Write the proportion equation
891,698.37 : 1,337,751.68 = 386,343.42 : x - Step 2: Convert to fraction form
891,698.37/1,337,751.68 = 386,343.42/x - Step 3: Cross multiply
891,698.37x = 1,337,751.68 × 386,343.42 - Step 4: Simplify right side
891,698.37x = 516,831,557,230.23 - Step 5: Solve for x
x = 516,831,557,230.23/891,698.37 - Step 6: Final answer
x = 579,603.57
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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.