Finding the Fourth Proportional to 750,978, 1,036,349.64 and 411,454.08
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Solution
The fourth proportional to 750,978, 1,036,349.64 and 411,454.08 is: 567,806.63
Step by Step Solution
- Step 1: Write the proportion equation
750,978 : 1,036,349.64 = 411,454.08 : x - Step 2: Convert to fraction form
750,978/1,036,349.64 = 411,454.08/x - Step 3: Cross multiply
750,978x = 1,036,349.64 × 411,454.08 - Step 4: Simplify right side
750,978x = 426,410,287,684.53 - Step 5: Solve for x
x = 426,410,287,684.53/750,978 - Step 6: Final answer
x = 567,806.63
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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.