Finding the Fourth Proportional to 651,709.60, 977,272.80 and 296,540.80
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Solution
The fourth proportional to 651,709.60, 977,272.80 and 296,540.80 is: 444,678.52
Step by Step Solution
- Step 1: Write the proportion equation
651,709.60 : 977,272.80 = 296,540.80 : x - Step 2: Convert to fraction form
651,709.60/977,272.80 = 296,540.80/x - Step 3: Cross multiply
651,709.60x = 977,272.80 × 296,540.80 - Step 4: Simplify right side
651,709.60x = 289,801,257,930.24 - Step 5: Solve for x
x = 289,801,257,930.24/651,709.60 - Step 6: Final answer
x = 444,678.52
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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.