Finding the Fourth Proportional to 734,739.84, 1,101,058.20 and 418,543.44
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Solution
The fourth proportional to 734,739.84, 1,101,058.20 and 418,543.44 is: 627,216.14
Step by Step Solution
- Step 1: Write the proportion equation
734,739.84 : 1,101,058.20 = 418,543.44 : x - Step 2: Convert to fraction form
734,739.84/1,101,058.20 = 418,543.44/x - Step 3: Cross multiply
734,739.84x = 1,101,058.20 × 418,543.44 - Step 4: Simplify right side
734,739.84x = 460,840,686,668.21 - Step 5: Solve for x
x = 460,840,686,668.21/734,739.84 - Step 6: Final answer
x = 627,216.14
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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.