Finding the Fourth Proportional to 756,607.80, 1,134,911.70 and 283,268.10
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Solution
The fourth proportional to 756,607.80, 1,134,911.70 and 283,268.10 is: 424,902.15
Step by Step Solution
- Step 1: Write the proportion equation
756,607.80 : 1,134,911.70 = 283,268.10 : x - Step 2: Convert to fraction form
756,607.80/1,134,911.70 = 283,268.10/x - Step 3: Cross multiply
756,607.80x = 1,134,911.70 × 283,268.10 - Step 4: Simplify right side
756,607.80x = 321,484,280,926.77 - Step 5: Solve for x
x = 321,484,280,926.77/756,607.80 - Step 6: Final answer
x = 424,902.15
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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.