Finding the Fourth Proportional to 708,355.88, 977,502.60 and 386,059.08
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Solution
The fourth proportional to 708,355.88, 977,502.60 and 386,059.08 is: 532,745.99
Step by Step Solution
- Step 1: Write the proportion equation
708,355.88 : 977,502.60 = 386,059.08 : x - Step 2: Convert to fraction form
708,355.88/977,502.60 = 386,059.08/x - Step 3: Cross multiply
708,355.88x = 977,502.60 × 386,059.08 - Step 4: Simplify right side
708,355.88x = 377,373,754,453.61 - Step 5: Solve for x
x = 377,373,754,453.61/708,355.88 - Step 6: Final answer
x = 532,745.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.