Finding the Fourth Proportional to 782,887.76, 1,174,783.68 and 423,059.84
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Solution
The fourth proportional to 782,887.76, 1,174,783.68 and 423,059.84 is: 634,834.04
Step by Step Solution
- Step 1: Write the proportion equation
782,887.76 : 1,174,783.68 = 423,059.84 : x - Step 2: Convert to fraction form
782,887.76/1,174,783.68 = 423,059.84/x - Step 3: Cross multiply
782,887.76x = 1,174,783.68 × 423,059.84 - Step 4: Simplify right side
782,887.76x = 497,003,795,695.41 - Step 5: Solve for x
x = 497,003,795,695.41/782,887.76 - Step 6: Final answer
x = 634,834.04
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.