Finding the Fourth Proportional to 778,440.10, 1,167,660.15 and 565,863.70
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Solution
The fourth proportional to 778,440.10, 1,167,660.15 and 565,863.70 is: 848,795.55
Step by Step Solution
- Step 1: Write the proportion equation
778,440.10 : 1,167,660.15 = 565,863.70 : x - Step 2: Convert to fraction form
778,440.10/1,167,660.15 = 565,863.70/x - Step 3: Cross multiply
778,440.10x = 1,167,660.15 × 565,863.70 - Step 4: Simplify right side
778,440.10x = 660,736,492,821.56 - Step 5: Solve for x
x = 660,736,492,821.56/778,440.10 - Step 6: Final answer
x = 848,795.55
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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.