Finding the Fourth Proportional to 526,788.12, 726,889.40 and 319,948.88
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Solution
The fourth proportional to 526,788.12, 726,889.40 and 319,948.88 is: 441,481.95
Step by Step Solution
- Step 1: Write the proportion equation
526,788.12 : 726,889.40 = 319,948.88 : x - Step 2: Convert to fraction form
526,788.12/726,889.40 = 319,948.88/x - Step 3: Cross multiply
526,788.12x = 726,889.40 × 319,948.88 - Step 4: Simplify right side
526,788.12x = 232,567,444,179.68 - Step 5: Solve for x
x = 232,567,444,179.68/526,788.12 - Step 6: Final answer
x = 441,481.95
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1.5x scale
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.