Finding the Fourth Proportional to 779,318.10, 1,169,013.60 and 246,880.80
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Solution
The fourth proportional to 779,318.10, 1,169,013.60 and 246,880.80 is: 370,332.75
Step by Step Solution
- Step 1: Write the proportion equation
779,318.10 : 1,169,013.60 = 246,880.80 : x - Step 2: Convert to fraction form
779,318.10/1,169,013.60 = 246,880.80/x - Step 3: Cross multiply
779,318.10x = 1,169,013.60 × 246,880.80 - Step 4: Simplify right side
779,318.10x = 288,607,012,778.88 - Step 5: Solve for x
x = 288,607,012,778.88/779,318.10 - Step 6: Final answer
x = 370,332.75
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1.5x scale
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.