Finding the Fourth Proportional to 808,688.62, 1,213,779.93 and 409,609.65
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Solution
The fourth proportional to 808,688.62, 1,213,779.93 and 409,609.65 is: 614,792.84
Step by Step Solution
- Step 1: Write the proportion equation
808,688.62 : 1,213,779.93 = 409,609.65 : x - Step 2: Convert to fraction form
808,688.62/1,213,779.93 = 409,609.65/x - Step 3: Cross multiply
808,688.62x = 1,213,779.93 × 409,609.65 - Step 4: Simplify right side
808,688.62x = 497,175,972,304.33 - Step 5: Solve for x
x = 497,175,972,304.33/808,688.62 - Step 6: Final answer
x = 614,792.84
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.