Finding the Fourth Proportional to 888,719.67, 1,226,432.49 and 480,821.70
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Solution
The fourth proportional to 888,719.67, 1,226,432.49 and 480,821.70 is: 663,533.59
Step by Step Solution
- Step 1: Write the proportion equation
888,719.67 : 1,226,432.49 = 480,821.70 : x - Step 2: Convert to fraction form
888,719.67/1,226,432.49 = 480,821.70/x - Step 3: Cross multiply
888,719.67x = 1,226,432.49 × 480,821.70 - Step 4: Simplify right side
888,719.67x = 589,695,354,777.03 - Step 5: Solve for x
x = 589,695,354,777.03/888,719.67 - Step 6: Final answer
x = 663,533.59
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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.