Finding the Fourth Proportional to 893,566.84, 1,233,134.74 and 485,668.56
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Solution
The fourth proportional to 893,566.84, 1,233,134.74 and 485,668.56 is: 670,229.40
Step by Step Solution
- Step 1: Write the proportion equation
893,566.84 : 1,233,134.74 = 485,668.56 : x - Step 2: Convert to fraction form
893,566.84/1,233,134.74 = 485,668.56/x - Step 3: Cross multiply
893,566.84x = 1,233,134.74 × 485,668.56 - Step 4: Simplify right side
893,566.84x = 598,894,769,024.85 - Step 5: Solve for x
x = 598,894,769,024.85/893,566.84 - Step 6: Final answer
x = 670,229.40
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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.