Finding the Fourth Proportional to 916,466.10, 1,374,699.15 and 798,368.10
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Solution
The fourth proportional to 916,466.10, 1,374,699.15 and 798,368.10 is: 1,197,552.15
Step by Step Solution
- Step 1: Write the proportion equation
916,466.10 : 1,374,699.15 = 798,368.10 : x - Step 2: Convert to fraction form
916,466.10/1,374,699.15 = 798,368.10/x - Step 3: Cross multiply
916,466.10x = 1,374,699.15 × 798,368.10 - Step 4: Simplify right side
916,466.10x = 1,097,515,948,457.11 - Step 5: Solve for x
x = 1,097,515,948,457.11/916,466.10 - Step 6: Final answer
x = 1,197,552.15
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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.