Finding the Fourth Proportional to 541,644.12, 747,459.74 and 299,921.49
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Solution
The fourth proportional to 541,644.12, 747,459.74 and 299,921.49 is: 413,886.59
Step by Step Solution
- Step 1: Write the proportion equation
541,644.12 : 747,459.74 = 299,921.49 : x - Step 2: Convert to fraction form
541,644.12/747,459.74 = 299,921.49/x - Step 3: Cross multiply
541,644.12x = 747,459.74 × 299,921.49 - Step 4: Simplify right side
541,644.12x = 224,179,237,436.21 - Step 5: Solve for x
x = 224,179,237,436.21/541,644.12 - Step 6: Final answer
x = 413,886.59
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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.