Finding the Fourth Proportional to 1,077,603.62, 1,616,405.44 and 478,423.94
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Solution
The fourth proportional to 1,077,603.62, 1,616,405.44 and 478,423.94 is: 717,635.91
Step by Step Solution
- Step 1: Write the proportion equation
1,077,603.62 : 1,616,405.44 = 478,423.94 : x - Step 2: Convert to fraction form
1,077,603.62/1,616,405.44 = 478,423.94/x - Step 3: Cross multiply
1,077,603.62x = 1,616,405.44 × 478,423.94 - Step 4: Simplify right side
1,077,603.62x = 773,327,059,242.23 - Step 5: Solve for x
x = 773,327,059,242.23/1,077,603.62 - Step 6: Final answer
x = 717,635.91
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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.