Finding the Fourth Proportional to 610,778.10, 916,465.23 and 432,012.12
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Solution
The fourth proportional to 610,778.10, 916,465.23 and 432,012.12 is: 648,229.02
Step by Step Solution
- Step 1: Write the proportion equation
610,778.10 : 916,465.23 = 432,012.12 : x - Step 2: Convert to fraction form
610,778.10/916,465.23 = 432,012.12/x - Step 3: Cross multiply
610,778.10x = 916,465.23 × 432,012.12 - Step 4: Simplify right side
610,778.10x = 395,924,086,918.59 - Step 5: Solve for x
x = 395,924,086,918.59/610,778.10 - Step 6: Final answer
x = 648,229.02
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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.