Finding the Fourth Proportional to 984,462.75, 1,358,559.14 and 531,753.75
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Solution
The fourth proportional to 984,462.75, 1,358,559.14 and 531,753.75 is: 733,820.47
Step by Step Solution
- Step 1: Write the proportion equation
984,462.75 : 1,358,559.14 = 531,753.75 : x - Step 2: Convert to fraction form
984,462.75/1,358,559.14 = 531,753.75/x - Step 3: Cross multiply
984,462.75x = 1,358,559.14 × 531,753.75 - Step 4: Simplify right side
984,462.75x = 722,418,914,633.01 - Step 5: Solve for x
x = 722,418,914,633.01/984,462.75 - Step 6: Final answer
x = 733,820.47
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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.