Finding the Fourth Proportional to 665,027.71, 915,805.26 and 577,772.46
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Solution
The fourth proportional to 665,027.71, 915,805.26 and 577,772.46 is: 795,646.64
Step by Step Solution
- Step 1: Write the proportion equation
665,027.71 : 915,805.26 = 577,772.46 : x - Step 2: Convert to fraction form
665,027.71/915,805.26 = 577,772.46/x - Step 3: Cross multiply
665,027.71x = 915,805.26 × 577,772.46 - Step 4: Simplify right side
665,027.71x = 529,127,057,951.14 - Step 5: Solve for x
x = 529,127,057,951.14/665,027.71 - Step 6: Final answer
x = 795,646.64
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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.