Finding the Fourth Proportional to 880,358.95, 1,214,894.43 and 493,177.10
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Solution
The fourth proportional to 880,358.95, 1,214,894.43 and 493,177.10 is: 680,583.88
Step by Step Solution
- Step 1: Write the proportion equation
880,358.95 : 1,214,894.43 = 493,177.10 : x - Step 2: Convert to fraction form
880,358.95/1,214,894.43 = 493,177.10/x - Step 3: Cross multiply
880,358.95x = 1,214,894.43 × 493,177.10 - Step 4: Simplify right side
880,358.95x = 599,158,105,719.08 - Step 5: Solve for x
x = 599,158,105,719.08/880,358.95 - Step 6: Final answer
x = 680,583.88
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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.