Finding the Fourth Proportional to 798,877.53, 1,102,457.12 and 436,294.80
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Solution
The fourth proportional to 798,877.53, 1,102,457.12 and 436,294.80 is: 602,090.17
Step by Step Solution
- Step 1: Write the proportion equation
798,877.53 : 1,102,457.12 = 436,294.80 : x - Step 2: Convert to fraction form
798,877.53/1,102,457.12 = 436,294.80/x - Step 3: Cross multiply
798,877.53x = 1,102,457.12 × 436,294.80 - Step 4: Simplify right side
798,877.53x = 480,996,306,497.50 - Step 5: Solve for x
x = 480,996,306,497.50/798,877.53 - Step 6: Final answer
x = 602,090.17
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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.