Finding the Fourth Proportional to 970,271.91, 1,338,859.11 and 556,787.44
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Solution
The fourth proportional to 970,271.91, 1,338,859.11 and 556,787.44 is: 768,300.03
Step by Step Solution
- Step 1: Write the proportion equation
970,271.91 : 1,338,859.11 = 556,787.44 : x - Step 2: Convert to fraction form
970,271.91/1,338,859.11 = 556,787.44/x - Step 3: Cross multiply
970,271.91x = 1,338,859.11 × 556,787.44 - Step 4: Simplify right side
970,271.91x = 745,459,933,593.64 - Step 5: Solve for x
x = 745,459,933,593.64/970,271.91 - Step 6: Final answer
x = 768,300.03
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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.