Finding the Fourth Proportional to 638,893.08, 957,594.42 and 480,612.60
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Solution
The fourth proportional to 638,893.08, 957,594.42 and 480,612.60 is: 720,358.32
Step by Step Solution
- Step 1: Write the proportion equation
638,893.08 : 957,594.42 = 480,612.60 : x - Step 2: Convert to fraction form
638,893.08/957,594.42 = 480,612.60/x - Step 3: Cross multiply
638,893.08x = 957,594.42 × 480,612.60 - Step 4: Simplify right side
638,893.08x = 460,231,943,941.69 - Step 5: Solve for x
x = 460,231,943,941.69/638,893.08 - Step 6: Final answer
x = 720,358.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.