Finding the Fourth Proportional to 759,490.18, 1,048,360.38 and 437,328.68
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Solution
The fourth proportional to 759,490.18, 1,048,360.38 and 437,328.68 is: 603,665.56
Step by Step Solution
- Step 1: Write the proportion equation
759,490.18 : 1,048,360.38 = 437,328.68 : x - Step 2: Convert to fraction form
759,490.18/1,048,360.38 = 437,328.68/x - Step 3: Cross multiply
759,490.18x = 1,048,360.38 × 437,328.68 - Step 4: Simplify right side
759,490.18x = 458,478,061,149.70 - Step 5: Solve for x
x = 458,478,061,149.70/759,490.18 - Step 6: Final answer
x = 603,665.56
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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.