Finding the Fourth Proportional to 782,555.31, 1,175,024.88 and 744,021.08
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Solution
The fourth proportional to 782,555.31, 1,175,024.88 and 744,021.08 is: 1,117,164.84
Step by Step Solution
- Step 1: Write the proportion equation
782,555.31 : 1,175,024.88 = 744,021.08 : x - Step 2: Convert to fraction form
782,555.31/1,175,024.88 = 744,021.08/x - Step 3: Cross multiply
782,555.31x = 1,175,024.88 × 744,021.08 - Step 4: Simplify right side
782,555.31x = 874,243,278,775.69 - Step 5: Solve for x
x = 874,243,278,775.69/782,555.31 - Step 6: Final answer
x = 1,117,164.84
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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.