Finding the Fourth Proportional to 898,084.44, 1,239,356.52 and 612,104.12
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Solution
The fourth proportional to 898,084.44, 1,239,356.52 and 612,104.12 is: 844,703.68
Step by Step Solution
- Step 1: Write the proportion equation
898,084.44 : 1,239,356.52 = 612,104.12 : x - Step 2: Convert to fraction form
898,084.44/1,239,356.52 = 612,104.12/x - Step 3: Cross multiply
898,084.44x = 1,239,356.52 × 612,104.12 - Step 4: Simplify right side
898,084.44x = 758,615,232,040.86 - Step 5: Solve for x
x = 758,615,232,040.86/898,084.44 - Step 6: Final answer
x = 844,703.68
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.