Finding the Fourth Proportional to 670,057.36, 924,688.16 and 364,139.80
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Solution
The fourth proportional to 670,057.36, 924,688.16 and 364,139.80 is: 502,517.82
Step by Step Solution
- Step 1: Write the proportion equation
670,057.36 : 924,688.16 = 364,139.80 : x - Step 2: Convert to fraction form
670,057.36/924,688.16 = 364,139.80/x - Step 3: Cross multiply
670,057.36x = 924,688.16 × 364,139.80 - Step 4: Simplify right side
670,057.36x = 336,715,761,644.77 - Step 5: Solve for x
x = 336,715,761,644.77/670,057.36 - Step 6: Final answer
x = 502,517.82
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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.