Finding the Fourth Proportional to 492,985.68, 739,738.88 and 349,816.63
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Solution
The fourth proportional to 492,985.68, 739,738.88 and 349,816.63 is: 524,909.69
Step by Step Solution
- Step 1: Write the proportion equation
492,985.68 : 739,738.88 = 349,816.63 : x - Step 2: Convert to fraction form
492,985.68/739,738.88 = 349,816.63/x - Step 3: Cross multiply
492,985.68x = 739,738.88 × 349,816.63 - Step 4: Simplify right side
492,985.68x = 258,772,961,106.77 - Step 5: Solve for x
x = 258,772,961,106.77/492,985.68 - Step 6: Final answer
x = 524,909.69
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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.