Finding the Fourth Proportional to 869,350.18, 1,303,104.90 and 292,424.24
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Solution
The fourth proportional to 869,350.18, 1,303,104.90 and 292,424.24 is: 438,326.78
Step by Step Solution
- Step 1: Write the proportion equation
869,350.18 : 1,303,104.90 = 292,424.24 : x - Step 2: Convert to fraction form
869,350.18/1,303,104.90 = 292,424.24/x - Step 3: Cross multiply
869,350.18x = 1,303,104.90 × 292,424.24 - Step 4: Simplify right side
869,350.18x = 381,059,463,280.54 - Step 5: Solve for x
x = 381,059,463,280.54/869,350.18 - Step 6: Final answer
x = 438,326.78
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1.5x scale
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.