Finding the Fourth Proportional to 871,281.09, 1,202,226.84 and 544,555.58
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Solution
The fourth proportional to 871,281.09, 1,202,226.84 and 544,555.58 is: 751,398.53
Step by Step Solution
- Step 1: Write the proportion equation
871,281.09 : 1,202,226.84 = 544,555.58 : x - Step 2: Convert to fraction form
871,281.09/1,202,226.84 = 544,555.58/x - Step 3: Cross multiply
871,281.09x = 1,202,226.84 × 544,555.58 - Step 4: Simplify right side
871,281.09x = 654,679,328,136.63 - Step 5: Solve for x
x = 654,679,328,136.63/871,281.09 - Step 6: Final answer
x = 751,398.53
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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.