Finding the Fourth Proportional to 832,431.16, 1,148,763.20 and 450,466.14
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Solution
The fourth proportional to 832,431.16, 1,148,763.20 and 450,466.14 is: 621,647.71
Step by Step Solution
- Step 1: Write the proportion equation
832,431.16 : 1,148,763.20 = 450,466.14 : x - Step 2: Convert to fraction form
832,431.16/1,148,763.20 = 450,466.14/x - Step 3: Cross multiply
832,431.16x = 1,148,763.20 × 450,466.14 - Step 4: Simplify right side
832,431.16x = 517,478,924,478.05 - Step 5: Solve for x
x = 517,478,924,478.05/832,431.16 - Step 6: Final answer
x = 621,647.71
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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.