Finding the Fourth Proportional to 840,898.16, 1,261,548.17 and 272,279.88
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Solution
The fourth proportional to 840,898.16, 1,261,548.17 and 272,279.88 is: 408,484.88
Step by Step Solution
- Step 1: Write the proportion equation
840,898.16 : 1,261,548.17 = 272,279.88 : x - Step 2: Convert to fraction form
840,898.16/1,261,548.17 = 272,279.88/x - Step 3: Cross multiply
840,898.16x = 1,261,548.17 × 272,279.88 - Step 4: Simplify right side
840,898.16x = 343,494,184,001.47 - Step 5: Solve for x
x = 343,494,184,001.47/840,898.16 - Step 6: Final answer
x = 408,484.88
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.