Finding the Fourth Proportional to 658,381.95, 908,567.08 and 356,575.95
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Solution
The fourth proportional to 658,381.95, 908,567.08 and 356,575.95 is: 492,074.80
Step by Step Solution
- Step 1: Write the proportion equation
658,381.95 : 908,567.08 = 356,575.95 : x - Step 2: Convert to fraction form
658,381.95/908,567.08 = 356,575.95/x - Step 3: Cross multiply
658,381.95x = 908,567.08 × 356,575.95 - Step 4: Simplify right side
658,381.95x = 323,973,168,798.29 - Step 5: Solve for x
x = 323,973,168,798.29/658,381.95 - Step 6: Final answer
x = 492,074.80
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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.