Finding the Fourth Proportional to 758,303.56, 1,046,484.74 and 448,471.74
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Solution
The fourth proportional to 758,303.56, 1,046,484.74 and 448,471.74 is: 618,906.28
Step by Step Solution
- Step 1: Write the proportion equation
758,303.56 : 1,046,484.74 = 448,471.74 : x - Step 2: Convert to fraction form
758,303.56/1,046,484.74 = 448,471.74/x - Step 3: Cross multiply
758,303.56x = 1,046,484.74 × 448,471.74 - Step 4: Simplify right side
758,303.56x = 469,318,832,231.25 - Step 5: Solve for x
x = 469,318,832,231.25/758,303.56 - Step 6: Final answer
x = 618,906.28
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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.