Finding the Fourth Proportional to 403,903.20, 605,854.80 and 364,537.20
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Solution
The fourth proportional to 403,903.20, 605,854.80 and 364,537.20 is: 546,805.80
Step by Step Solution
- Step 1: Write the proportion equation
403,903.20 : 605,854.80 = 364,537.20 : x - Step 2: Convert to fraction form
403,903.20/605,854.80 = 364,537.20/x - Step 3: Cross multiply
403,903.20x = 605,854.80 × 364,537.20 - Step 4: Simplify right side
403,903.20x = 220,856,612,398.56 - Step 5: Solve for x
x = 220,856,612,398.56/403,903.20 - Step 6: Final answer
x = 546,805.80
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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.