Finding the Fourth Proportional to 923,489.60, 1,382,901.60 and 606,228.80
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Solution
The fourth proportional to 923,489.60, 1,382,901.60 and 606,228.80 is: 907,811.82
Step by Step Solution
- Step 1: Write the proportion equation
923,489.60 : 1,382,901.60 = 606,228.80 : x - Step 2: Convert to fraction form
923,489.60/1,382,901.60 = 606,228.80/x - Step 3: Cross multiply
923,489.60x = 1,382,901.60 × 606,228.80 - Step 4: Simplify right side
923,489.60x = 838,354,777,486.08 - Step 5: Solve for x
x = 838,354,777,486.08/923,489.60 - Step 6: Final answer
x = 907,811.82
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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.