Finding the Fourth Proportional to 846,740.42, 1,169,471.58 and 557,644.31
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Solution
The fourth proportional to 846,740.42, 1,169,471.58 and 557,644.31 is: 770,187.83
Step by Step Solution
- Step 1: Write the proportion equation
846,740.42 : 1,169,471.58 = 557,644.31 : x - Step 2: Convert to fraction form
846,740.42/1,169,471.58 = 557,644.31/x - Step 3: Cross multiply
846,740.42x = 1,169,471.58 × 557,644.31 - Step 4: Simplify right side
846,740.42x = 652,149,168,740.70 - Step 5: Solve for x
x = 652,149,168,740.70/846,740.42 - Step 6: Final answer
x = 770,187.83
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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.