Finding the Fourth Proportional to 734,987.18, 1,011,936.09 and 627,124.34
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Solution
The fourth proportional to 734,987.18, 1,011,936.09 and 627,124.34 is: 863,429.69
Step by Step Solution
- Step 1: Write the proportion equation
734,987.18 : 1,011,936.09 = 627,124.34 : x - Step 2: Convert to fraction form
734,987.18/1,011,936.09 = 627,124.34/x - Step 3: Cross multiply
734,987.18x = 1,011,936.09 × 627,124.34 - Step 4: Simplify right side
734,987.18x = 634,609,752,563.43 - Step 5: Solve for x
x = 634,609,752,563.43/734,987.18 - Step 6: Final answer
x = 863,429.69
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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.