Finding the Fourth Proportional to 832,956.32, 1,249,948.58 and 327,428.84
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Solution
The fourth proportional to 832,956.32, 1,249,948.58 and 327,428.84 is: 491,345.35
Step by Step Solution
- Step 1: Write the proportion equation
832,956.32 : 1,249,948.58 = 327,428.84 : x - Step 2: Convert to fraction form
832,956.32/1,249,948.58 = 327,428.84/x - Step 3: Cross multiply
832,956.32x = 1,249,948.58 × 327,428.84 - Step 4: Simplify right side
832,956.32x = 409,269,213,609.05 - Step 5: Solve for x
x = 409,269,213,609.05/832,956.32 - Step 6: Final answer
x = 491,345.35
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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.