Finding the Fourth Proportional to 500,813.05, 691,157.08 and 283,041.84
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Solution
The fourth proportional to 500,813.05, 691,157.08 and 283,041.84 is: 390,617.56
Step by Step Solution
- Step 1: Write the proportion equation
500,813.05 : 691,157.08 = 283,041.84 : x - Step 2: Convert to fraction form
500,813.05/691,157.08 = 283,041.84/x - Step 3: Cross multiply
500,813.05x = 691,157.08 × 283,041.84 - Step 4: Simplify right side
500,813.05x = 195,626,373,801.81 - Step 5: Solve for x
x = 195,626,373,801.81/500,813.05 - Step 6: Final answer
x = 390,617.56
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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.