Finding the Fourth Proportional to 665,029.22, 915,807.33 and 577,773.96
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Solution
The fourth proportional to 665,029.22, 915,807.33 and 577,773.96 is: 795,648.70
Step by Step Solution
- Step 1: Write the proportion equation
665,029.22 : 915,807.33 = 577,773.96 : x - Step 2: Convert to fraction form
665,029.22/915,807.33 = 577,773.96/x - Step 3: Cross multiply
665,029.22x = 915,807.33 × 577,773.96 - Step 4: Simplify right side
665,029.22x = 529,129,627,651.13 - Step 5: Solve for x
x = 529,129,627,651.13/665,029.22 - Step 6: Final answer
x = 795,648.70
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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.