Finding the Fourth Proportional to 747,005.68, 1,030,851.08 and 407,486.08
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Solution
The fourth proportional to 747,005.68, 1,030,851.08 and 407,486.08 is: 562,321.65
Step by Step Solution
- Step 1: Write the proportion equation
747,005.68 : 1,030,851.08 = 407,486.08 : x - Step 2: Convert to fraction form
747,005.68/1,030,851.08 = 407,486.08/x - Step 3: Cross multiply
747,005.68x = 1,030,851.08 × 407,486.08 - Step 4: Simplify right side
747,005.68x = 420,057,465,652.97 - Step 5: Solve for x
x = 420,057,465,652.97/747,005.68 - Step 6: Final answer
x = 562,321.65
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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.