Finding the Fourth Proportional to 894,590.33, 1,234,537.59 and 486,692.09
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Solution
The fourth proportional to 894,590.33, 1,234,537.59 and 486,692.09 is: 671,636.68
Step by Step Solution
- Step 1: Write the proportion equation
894,590.33 : 1,234,537.59 = 486,692.09 : x - Step 2: Convert to fraction form
894,590.33/1,234,537.59 = 486,692.09/x - Step 3: Cross multiply
894,590.33x = 1,234,537.59 × 486,692.09 - Step 4: Simplify right side
894,590.33x = 600,839,679,860.66 - Step 5: Solve for x
x = 600,839,679,860.66/894,590.33 - Step 6: Final answer
x = 671,636.68
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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.