Finding the Fourth Proportional to 911,201.56, 1,257,452.18 and 503,329.71
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Solution
The fourth proportional to 911,201.56, 1,257,452.18 and 503,329.71 is: 694,591.69
Step by Step Solution
- Step 1: Write the proportion equation
911,201.56 : 1,257,452.18 = 503,329.71 : x - Step 2: Convert to fraction form
911,201.56/1,257,452.18 = 503,329.71/x - Step 3: Cross multiply
911,201.56x = 1,257,452.18 × 503,329.71 - Step 4: Simplify right side
911,201.56x = 632,913,032,294.36 - Step 5: Solve for x
x = 632,913,032,294.36/911,201.56 - Step 6: Final answer
x = 694,591.69
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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.