Finding the Fourth Proportional to 759,545.07, 1,048,179.20 and 420,018.99
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Solution
The fourth proportional to 759,545.07, 1,048,179.20 and 420,018.99 is: 579,630.08
Step by Step Solution
- Step 1: Write the proportion equation
759,545.07 : 1,048,179.20 = 420,018.99 : x - Step 2: Convert to fraction form
759,545.07/1,048,179.20 = 420,018.99/x - Step 3: Cross multiply
759,545.07x = 1,048,179.20 × 420,018.99 - Step 4: Simplify right side
759,545.07x = 440,255,166,822.91 - Step 5: Solve for x
x = 440,255,166,822.91/759,545.07 - Step 6: Final answer
x = 579,630.08
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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.