Finding the Fourth Proportional to 846,352.21, 1,167,987.53 and 464,378.89
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Solution
The fourth proportional to 846,352.21, 1,167,987.53 and 464,378.89 is: 640,854.65
Step by Step Solution
- Step 1: Write the proportion equation
846,352.21 : 1,167,987.53 = 464,378.89 : x - Step 2: Convert to fraction form
846,352.21/1,167,987.53 = 464,378.89/x - Step 3: Cross multiply
846,352.21x = 1,167,987.53 × 464,378.89 - Step 4: Simplify right side
846,352.21x = 542,388,752,715.24 - Step 5: Solve for x
x = 542,388,752,715.24/846,352.21 - Step 6: Final answer
x = 640,854.65
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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.