Finding the Fourth Proportional to 832,214.42, 1,247,218.00 and 427,390.29
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Solution
The fourth proportional to 832,214.42, 1,247,218.00 and 427,390.29 is: 640,518.65
Step by Step Solution
- Step 1: Write the proportion equation
832,214.42 : 1,247,218.00 = 427,390.29 : x - Step 2: Convert to fraction form
832,214.42/1,247,218.00 = 427,390.29/x - Step 3: Cross multiply
832,214.42x = 1,247,218.00 × 427,390.29 - Step 4: Simplify right side
832,214.42x = 533,048,854,340.18 - Step 5: Solve for x
x = 533,048,854,340.18/832,214.42 - Step 6: Final answer
x = 640,518.65
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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.