Finding the Fourth Proportional to 803,914.56, 1,205,457.12 and 330,511.68
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Solution
The fourth proportional to 803,914.56, 1,205,457.12 and 330,511.68 is: 495,597.02
Step by Step Solution
- Step 1: Write the proportion equation
803,914.56 : 1,205,457.12 = 330,511.68 : x - Step 2: Convert to fraction form
803,914.56/1,205,457.12 = 330,511.68/x - Step 3: Cross multiply
803,914.56x = 1,205,457.12 × 330,511.68 - Step 4: Simplify right side
803,914.56x = 398,417,657,899.16 - Step 5: Solve for x
x = 398,417,657,899.16/803,914.56 - Step 6: Final answer
x = 495,597.02
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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.