Finding the Fourth Proportional to 541,485.68, 747,328.44 and 311,999.02
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Solution
The fourth proportional to 541,485.68, 747,328.44 and 311,999.02 is: 430,603.71
Step by Step Solution
- Step 1: Write the proportion equation
541,485.68 : 747,328.44 = 311,999.02 : x - Step 2: Convert to fraction form
541,485.68/747,328.44 = 311,999.02/x - Step 3: Cross multiply
541,485.68x = 747,328.44 × 311,999.02 - Step 4: Simplify right side
541,485.68x = 233,165,740,898.13 - Step 5: Solve for x
x = 233,165,740,898.13/541,485.68 - Step 6: Final answer
x = 430,603.71
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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.