Finding the Fourth Proportional to 521,969.14, 720,368.01 and 292,565.41
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Solution
The fourth proportional to 521,969.14, 720,368.01 and 292,565.41 is: 403,768.63
Step by Step Solution
- Step 1: Write the proportion equation
521,969.14 : 720,368.01 = 292,565.41 : x - Step 2: Convert to fraction form
521,969.14/720,368.01 = 292,565.41/x - Step 3: Cross multiply
521,969.14x = 720,368.01 × 292,565.41 - Step 4: Simplify right side
521,969.14x = 210,754,762,196.53 - Step 5: Solve for x
x = 210,754,762,196.53/521,969.14 - Step 6: Final answer
x = 403,768.63
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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.