Finding the Fourth Proportional to 651,438.80, 977,125.80 and 335,927.60
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Solution
The fourth proportional to 651,438.80, 977,125.80 and 335,927.60 is: 503,874.69
Step by Step Solution
- Step 1: Write the proportion equation
651,438.80 : 977,125.80 = 335,927.60 : x - Step 2: Convert to fraction form
651,438.80/977,125.80 = 335,927.60/x - Step 3: Cross multiply
651,438.80x = 977,125.80 × 335,927.60 - Step 4: Simplify right side
651,438.80x = 328,243,524,892.08 - Step 5: Solve for x
x = 328,243,524,892.08/651,438.80 - Step 6: Final answer
x = 503,874.69
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1.5x scale
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.