Finding the Fourth Proportional to 942,781.32, 1,413,563.49 and 403,389.63
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Solution
The fourth proportional to 942,781.32, 1,413,563.49 and 403,389.63 is: 604,824.09
Step by Step Solution
- Step 1: Write the proportion equation
942,781.32 : 1,413,563.49 = 403,389.63 : x - Step 2: Convert to fraction form
942,781.32/1,413,563.49 = 403,389.63/x - Step 3: Cross multiply
942,781.32x = 1,413,563.49 × 403,389.63 - Step 4: Simplify right side
942,781.32x = 570,216,853,212.61 - Step 5: Solve for x
x = 570,216,853,212.61/942,781.32 - Step 6: Final answer
x = 604,824.09
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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.