Finding the Fourth Proportional to 1,003,379.54, 1,505,299.12 and 434,855.99
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Solution
The fourth proportional to 1,003,379.54, 1,505,299.12 and 434,855.99 is: 652,383.59
Step by Step Solution
- Step 1: Write the proportion equation
1,003,379.54 : 1,505,299.12 = 434,855.99 : x - Step 2: Convert to fraction form
1,003,379.54/1,505,299.12 = 434,855.99/x - Step 3: Cross multiply
1,003,379.54x = 1,505,299.12 × 434,855.99 - Step 4: Simplify right side
1,003,379.54x = 654,588,341,749.84 - Step 5: Solve for x
x = 654,588,341,749.84/1,003,379.54 - Step 6: Final answer
x = 652,383.59
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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.