Finding the Fourth Proportional to 840,378.96, 1,159,676.33 and 477,752.49
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Solution
The fourth proportional to 840,378.96, 1,159,676.33 and 477,752.49 is: 659,271.92
Step by Step Solution
- Step 1: Write the proportion equation
840,378.96 : 1,159,676.33 = 477,752.49 : x - Step 2: Convert to fraction form
840,378.96/1,159,676.33 = 477,752.49/x - Step 3: Cross multiply
840,378.96x = 1,159,676.33 × 477,752.49 - Step 4: Simplify right side
840,378.96x = 554,038,251,862.80 - Step 5: Solve for x
x = 554,038,251,862.80/840,378.96 - Step 6: Final answer
x = 659,271.92
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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.