Finding the Fourth Proportional to 970,496.94, 1,339,267.68 and 540,767.91
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Solution
The fourth proportional to 970,496.94, 1,339,267.68 and 540,767.91 is: 746,249.63
Step by Step Solution
- Step 1: Write the proportion equation
970,496.94 : 1,339,267.68 = 540,767.91 : x - Step 2: Convert to fraction form
970,496.94/1,339,267.68 = 540,767.91/x - Step 3: Cross multiply
970,496.94x = 1,339,267.68 × 540,767.91 - Step 4: Simplify right side
970,496.94x = 724,232,984,244.15 - Step 5: Solve for x
x = 724,232,984,244.15/970,496.94 - Step 6: Final answer
x = 746,249.63
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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.