Finding the Fourth Proportional to 815,149.19, 1,124,853.85 and 452,572.96
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Solution
The fourth proportional to 815,149.19, 1,124,853.85 and 452,572.96 is: 624,521.79
Step by Step Solution
- Step 1: Write the proportion equation
815,149.19 : 1,124,853.85 = 452,572.96 : x - Step 2: Convert to fraction form
815,149.19/1,124,853.85 = 452,572.96/x - Step 3: Cross multiply
815,149.19x = 1,124,853.85 × 452,572.96 - Step 4: Simplify right side
815,149.19x = 509,078,434,199.03 - Step 5: Solve for x
x = 509,078,434,199.03/815,149.19 - Step 6: Final answer
x = 624,521.79
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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.