Finding the Fourth Proportional to 817,557.44, 1,127,059.99 and 575,087.45
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Solution
The fourth proportional to 817,557.44, 1,127,059.99 and 575,087.45 is: 792,798.19
Step by Step Solution
- Step 1: Write the proportion equation
817,557.44 : 1,127,059.99 = 575,087.45 : x - Step 2: Convert to fraction form
817,557.44/1,127,059.99 = 575,087.45/x - Step 3: Cross multiply
817,557.44x = 1,127,059.99 × 575,087.45 - Step 4: Simplify right side
817,557.44x = 648,158,055,646.13 - Step 5: Solve for x
x = 648,158,055,646.13/817,557.44 - Step 6: Final answer
x = 792,798.19
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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.