Finding the Fourth Proportional to 751,619.80, 1,124,805.30 and 515,423.80
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Solution
The fourth proportional to 751,619.80, 1,124,805.30 and 515,423.80 is: 771,336.02
Step by Step Solution
- Step 1: Write the proportion equation
751,619.80 : 1,124,805.30 = 515,423.80 : x - Step 2: Convert to fraction form
751,619.80/1,124,805.30 = 515,423.80/x - Step 3: Cross multiply
751,619.80x = 1,124,805.30 × 515,423.80 - Step 4: Simplify right side
751,619.80x = 579,751,421,986.14 - Step 5: Solve for x
x = 579,751,421,986.14/751,619.80 - Step 6: Final answer
x = 771,336.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.