Finding the Fourth Proportional to 878,303.49, 1,316,438.42 and 403,993.41
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Solution
The fourth proportional to 878,303.49, 1,316,438.42 and 403,993.41 is: 605,522.41
Step by Step Solution
- Step 1: Write the proportion equation
878,303.49 : 1,316,438.42 = 403,993.41 : x - Step 2: Convert to fraction form
878,303.49/1,316,438.42 = 403,993.41/x - Step 3: Cross multiply
878,303.49x = 1,316,438.42 × 403,993.41 - Step 4: Simplify right side
878,303.49x = 531,832,444,330.85 - Step 5: Solve for x
x = 531,832,444,330.85/878,303.49 - Step 6: Final answer
x = 605,522.41
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.