Finding the Fourth Proportional to 646,887.80, 970,331.70 and 366,951.80
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Solution
The fourth proportional to 646,887.80, 970,331.70 and 366,951.80 is: 550,427.70
Step by Step Solution
- Step 1: Write the proportion equation
646,887.80 : 970,331.70 = 366,951.80 : x - Step 2: Convert to fraction form
646,887.80/970,331.70 = 366,951.80/x - Step 3: Cross multiply
646,887.80x = 970,331.70 × 366,951.80 - Step 4: Simplify right side
646,887.80x = 356,064,963,912.06 - Step 5: Solve for x
x = 356,064,963,912.06/646,887.80 - Step 6: Final answer
x = 550,427.70
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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.