Finding the Fourth Proportional to 785,466.42, 1,083,958.11 and 436,639.65
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Solution
The fourth proportional to 785,466.42, 1,083,958.11 and 436,639.65 is: 602,570.75
Step by Step Solution
- Step 1: Write the proportion equation
785,466.42 : 1,083,958.11 = 436,639.65 : x - Step 2: Convert to fraction form
785,466.42/1,083,958.11 = 436,639.65/x - Step 3: Cross multiply
785,466.42x = 1,083,958.11 × 436,639.65 - Step 4: Simplify right side
785,466.42x = 473,299,089,765.06 - Step 5: Solve for x
x = 473,299,089,765.06/785,466.42 - Step 6: Final answer
x = 602,570.75
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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.