Finding the Fourth Proportional to 1,077,605.62, 1,616,408.44 and 478,425.94
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Solution
The fourth proportional to 1,077,605.62, 1,616,408.44 and 478,425.94 is: 717,638.91
Step by Step Solution
- Step 1: Write the proportion equation
1,077,605.62 : 1,616,408.44 = 478,425.94 : x - Step 2: Convert to fraction form
1,077,605.62/1,616,408.44 = 478,425.94/x - Step 3: Cross multiply
1,077,605.62x = 1,616,408.44 × 478,425.94 - Step 4: Simplify right side
1,077,605.62x = 773,331,727,330.93 - Step 5: Solve for x
x = 773,331,727,330.93/1,077,605.62 - Step 6: Final answer
x = 717,638.91
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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.