Finding the Fourth Proportional to 1,480,048.75, 2,220,424.14 and 482,776.75
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Solution
The fourth proportional to 1,480,048.75, 2,220,424.14 and 482,776.75 is: 724,279.62
Step by Step Solution
- Step 1: Write the proportion equation
1,480,048.75 : 2,220,424.14 = 482,776.75 : x - Step 2: Convert to fraction form
1,480,048.75/2,220,424.14 = 482,776.75/x - Step 3: Cross multiply
1,480,048.75x = 2,220,424.14 × 482,776.75 - Step 4: Simplify right side
1,480,048.75x = 1,071,969,149,930.75 - Step 5: Solve for x
x = 1,071,969,149,930.75/1,480,048.75 - Step 6: Final answer
x = 724,279.62
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1.5x scale
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.