Finding the Fourth Proportional to 840,138.35, 1,159,480.82 and 513,642.94
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Solution
The fourth proportional to 840,138.35, 1,159,480.82 and 513,642.94 is: 708,882.22
Step by Step Solution
- Step 1: Write the proportion equation
840,138.35 : 1,159,480.82 = 513,642.94 : x - Step 2: Convert to fraction form
840,138.35/1,159,480.82 = 513,642.94/x - Step 3: Cross multiply
840,138.35x = 1,159,480.82 × 513,642.94 - Step 4: Simplify right side
840,138.35x = 595,559,135,643.82 - Step 5: Solve for x
x = 595,559,135,643.82/840,138.35 - Step 6: Final answer
x = 708,882.22
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.