Finding the Fourth Proportional to 888,935.80, 1,333,403.70 and 652,739.80
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Solution
The fourth proportional to 888,935.80, 1,333,403.70 and 652,739.80 is: 979,109.70
Step by Step Solution
- Step 1: Write the proportion equation
888,935.80 : 1,333,403.70 = 652,739.80 : x - Step 2: Convert to fraction form
888,935.80/1,333,403.70 = 652,739.80/x - Step 3: Cross multiply
888,935.80x = 1,333,403.70 × 652,739.80 - Step 4: Simplify right side
888,935.80x = 870,365,664,457.26 - Step 5: Solve for x
x = 870,365,664,457.26/888,935.80 - Step 6: Final answer
x = 979,109.70
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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.