Finding the Fourth Proportional to 686,547.42, 1,028,480.42 and 326,205.44
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Solution
The fourth proportional to 686,547.42, 1,028,480.42 and 326,205.44 is: 488,671.14
Step by Step Solution
- Step 1: Write the proportion equation
686,547.42 : 1,028,480.42 = 326,205.44 : x - Step 2: Convert to fraction form
686,547.42/1,028,480.42 = 326,205.44/x - Step 3: Cross multiply
686,547.42x = 1,028,480.42 × 326,205.44 - Step 4: Simplify right side
686,547.42x = 335,495,907,937.49 - Step 5: Solve for x
x = 335,495,907,937.49/686,547.42 - Step 6: Final answer
x = 488,671.14
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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.