Finding the Fourth Proportional to 660,463.08, 911,442.42 and 358,657.08
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Solution
The fourth proportional to 660,463.08, 911,442.42 and 358,657.08 is: 494,948.60
Step by Step Solution
- Step 1: Write the proportion equation
660,463.08 : 911,442.42 = 358,657.08 : x - Step 2: Convert to fraction form
660,463.08/911,442.42 = 358,657.08/x - Step 3: Cross multiply
660,463.08x = 911,442.42 × 358,657.08 - Step 4: Simplify right side
660,463.08x = 326,895,276,945.33 - Step 5: Solve for x
x = 326,895,276,945.33/660,463.08 - Step 6: Final answer
x = 494,948.60
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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.