Finding the Fourth Proportional to 891,680.24, 1,336,898.28 and 330,564.08
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Solution
The fourth proportional to 891,680.24, 1,336,898.28 and 330,564.08 is: 495,615.50
Step by Step Solution
- Step 1: Write the proportion equation
891,680.24 : 1,336,898.28 = 330,564.08 : x - Step 2: Convert to fraction form
891,680.24/1,336,898.28 = 330,564.08/x - Step 3: Cross multiply
891,680.24x = 1,336,898.28 × 330,564.08 - Step 4: Simplify right side
891,680.24x = 441,930,549,981.78 - Step 5: Solve for x
x = 441,930,549,981.78/891,680.24 - Step 6: Final answer
x = 495,615.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.