Finding the Fourth Proportional to 611,885.58, 844,352.59 and 353,779.09
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Solution
The fourth proportional to 611,885.58, 844,352.59 and 353,779.09 is: 488,186.53
Step by Step Solution
- Step 1: Write the proportion equation
611,885.58 : 844,352.59 = 353,779.09 : x - Step 2: Convert to fraction form
611,885.58/844,352.59 = 353,779.09/x - Step 3: Cross multiply
611,885.58x = 844,352.59 × 353,779.09 - Step 4: Simplify right side
611,885.58x = 298,714,293,346.83 - Step 5: Solve for x
x = 298,714,293,346.83/611,885.58 - Step 6: Final answer
x = 488,186.53
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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.