Finding the Fourth Proportional to 646,638.36, 892,567.74 and 417,202.08
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Solution
The fourth proportional to 646,638.36, 892,567.74 and 417,202.08 is: 575,872.30
Step by Step Solution
- Step 1: Write the proportion equation
646,638.36 : 892,567.74 = 417,202.08 : x - Step 2: Convert to fraction form
646,638.36/892,567.74 = 417,202.08/x - Step 3: Cross multiply
646,638.36x = 892,567.74 × 417,202.08 - Step 4: Simplify right side
646,638.36x = 372,381,117,668.90 - Step 5: Solve for x
x = 372,381,117,668.90/646,638.36 - Step 6: Final answer
x = 575,872.30
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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.