Finding the Fourth Proportional to 564,273.68, 778,695.54 and 309,629.12
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Solution
The fourth proportional to 564,273.68, 778,695.54 and 309,629.12 is: 427,287.01
Step by Step Solution
- Step 1: Write the proportion equation
564,273.68 : 778,695.54 = 309,629.12 : x - Step 2: Convert to fraction form
564,273.68/778,695.54 = 309,629.12/x - Step 3: Cross multiply
564,273.68x = 778,695.54 × 309,629.12 - Step 4: Simplify right side
564,273.68x = 241,106,814,798.13 - Step 5: Solve for x
x = 241,106,814,798.13/564,273.68 - Step 6: Final answer
x = 427,287.01
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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.