Finding the Fourth Proportional to 815,703.40, 1,125,639.36 and 453,150.04
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Solution
The fourth proportional to 815,703.40, 1,125,639.36 and 453,150.04 is: 625,329.65
Step by Step Solution
- Step 1: Write the proportion equation
815,703.40 : 1,125,639.36 = 453,150.04 : x - Step 2: Convert to fraction form
815,703.40/1,125,639.36 = 453,150.04/x - Step 3: Cross multiply
815,703.40x = 1,125,639.36 × 453,150.04 - Step 4: Simplify right side
815,703.40x = 510,083,521,009.57 - Step 5: Solve for x
x = 510,083,521,009.57/815,703.40 - Step 6: Final answer
x = 625,329.65
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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.