Finding the Fourth Proportional to 880,694.58, 1,215,358.47 and 498,795.18
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Solution
The fourth proportional to 880,694.58, 1,215,358.47 and 498,795.18 is: 688,337.32
Step by Step Solution
- Step 1: Write the proportion equation
880,694.58 : 1,215,358.47 = 498,795.18 : x - Step 2: Convert to fraction form
880,694.58/1,215,358.47 = 498,795.18/x - Step 3: Cross multiply
880,694.58x = 1,215,358.47 × 498,795.18 - Step 4: Simplify right side
880,694.58x = 606,214,946,808.18 - Step 5: Solve for x
x = 606,214,946,808.18/880,694.58 - Step 6: Final answer
x = 688,337.32
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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.