Finding the Fourth Proportional to 906,977.13, 1,359,562.95 and 433,108.50
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Solution
The fourth proportional to 906,977.13, 1,359,562.95 and 433,108.50 is: 649,231.66
Step by Step Solution
- Step 1: Write the proportion equation
906,977.13 : 1,359,562.95 = 433,108.50 : x - Step 2: Convert to fraction form
906,977.13/1,359,562.95 = 433,108.50/x - Step 3: Cross multiply
906,977.13x = 1,359,562.95 × 433,108.50 - Step 4: Simplify right side
906,977.13x = 588,838,269,930.08 - Step 5: Solve for x
x = 588,838,269,930.08/906,977.13 - Step 6: Final answer
x = 649,231.66
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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.