Finding the Fourth Proportional to 706,064.49, 1,058,840.40 and 386,452.53
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Solution
The fourth proportional to 706,064.49, 1,058,840.40 and 386,452.53 is: 579,538.49
Step by Step Solution
- Step 1: Write the proportion equation
706,064.49 : 1,058,840.40 = 386,452.53 : x - Step 2: Convert to fraction form
706,064.49/1,058,840.40 = 386,452.53/x - Step 3: Cross multiply
706,064.49x = 1,058,840.40 × 386,452.53 - Step 4: Simplify right side
706,064.49x = 409,191,551,446.21 - Step 5: Solve for x
x = 409,191,551,446.21/706,064.49 - Step 6: Final answer
x = 579,538.49
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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.