Finding the Fourth Proportional to 829,692.12, 1,245,522.33 and 698,209.68
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Solution
The fourth proportional to 829,692.12, 1,245,522.33 and 698,209.68 is: 1,048,142.71
Step by Step Solution
- Step 1: Write the proportion equation
829,692.12 : 1,245,522.33 = 698,209.68 : x - Step 2: Convert to fraction form
829,692.12/1,245,522.33 = 698,209.68/x - Step 3: Cross multiply
829,692.12x = 1,245,522.33 × 698,209.68 - Step 4: Simplify right side
829,692.12x = 869,635,747,462.16 - Step 5: Solve for x
x = 869,635,747,462.16/829,692.12 - Step 6: Final answer
x = 1,048,142.71
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.