Finding the Fourth Proportional to 900,638.84, 1,350,956.62 and 293,426.44
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Solution
The fourth proportional to 900,638.84, 1,350,956.62 and 293,426.44 is: 440,139.12
Step by Step Solution
- Step 1: Write the proportion equation
900,638.84 : 1,350,956.62 = 293,426.44 : x - Step 2: Convert to fraction form
900,638.84/1,350,956.62 = 293,426.44/x - Step 3: Cross multiply
900,638.84x = 1,350,956.62 × 293,426.44 - Step 4: Simplify right side
900,638.84x = 396,406,388,590.42 - Step 5: Solve for x
x = 396,406,388,590.42/900,638.84 - Step 6: Final answer
x = 440,139.12
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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.