Finding the Fourth Proportional to 896,690.38, 1,344,101.35 and 391,115.62
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Solution
The fourth proportional to 896,690.38, 1,344,101.35 and 391,115.62 is: 586,265.94
Step by Step Solution
- Step 1: Write the proportion equation
896,690.38 : 1,344,101.35 = 391,115.62 : x - Step 2: Convert to fraction form
896,690.38/1,344,101.35 = 391,115.62/x - Step 3: Cross multiply
896,690.38x = 1,344,101.35 × 391,115.62 - Step 4: Simplify right side
896,690.38x = 525,699,032,848.09 - Step 5: Solve for x
x = 525,699,032,848.09/896,690.38 - Step 6: Final answer
x = 586,265.94
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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.