Finding the Fourth Proportional to 874,816.74, 1,207,272.68 and 512,206.67
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Solution
The fourth proportional to 874,816.74, 1,207,272.68 and 512,206.67 is: 706,860.18
Step by Step Solution
- Step 1: Write the proportion equation
874,816.74 : 1,207,272.68 = 512,206.67 : x - Step 2: Convert to fraction form
874,816.74/1,207,272.68 = 512,206.67/x - Step 3: Cross multiply
874,816.74x = 1,207,272.68 × 512,206.67 - Step 4: Simplify right side
874,816.74x = 618,373,113,168.41 - Step 5: Solve for x
x = 618,373,113,168.41/874,816.74 - Step 6: Final answer
x = 706,860.18
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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.