Finding the Fourth Proportional to 816,569.24, 1,126,865.96 and 472,452.08
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Solution
The fourth proportional to 816,569.24, 1,126,865.96 and 472,452.08 is: 651,984.11
Step by Step Solution
- Step 1: Write the proportion equation
816,569.24 : 1,126,865.96 = 472,452.08 : x - Step 2: Convert to fraction form
816,569.24/1,126,865.96 = 472,452.08/x - Step 3: Cross multiply
816,569.24x = 1,126,865.96 × 472,452.08 - Step 4: Simplify right side
816,569.24x = 532,390,166,683.20 - Step 5: Solve for x
x = 532,390,166,683.20/816,569.24 - Step 6: Final answer
x = 651,984.11
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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.