Finding the Fourth Proportional to 1,029,754.50, 1,420,773.30 and 811,284.99
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Solution
The fourth proportional to 1,029,754.50, 1,420,773.30 and 811,284.99 is: 1,119,346.46
Step by Step Solution
- Step 1: Write the proportion equation
1,029,754.50 : 1,420,773.30 = 811,284.99 : x - Step 2: Convert to fraction form
1,029,754.50/1,420,773.30 = 811,284.99/x - Step 3: Cross multiply
1,029,754.50x = 1,420,773.30 × 811,284.99 - Step 4: Simplify right side
1,029,754.50x = 1,152,652,052,482.77 - Step 5: Solve for x
x = 1,152,652,052,482.77/1,029,754.50 - Step 6: Final answer
x = 1,119,346.46
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.