Finding the Fourth Proportional to 513,332.21, 708,485.85 and 298,596.75
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Solution
The fourth proportional to 513,332.21, 708,485.85 and 298,596.75 is: 412,114.36
Step by Step Solution
- Step 1: Write the proportion equation
513,332.21 : 708,485.85 = 298,596.75 : x - Step 2: Convert to fraction form
513,332.21/708,485.85 = 298,596.75/x - Step 3: Cross multiply
513,332.21x = 708,485.85 × 298,596.75 - Step 4: Simplify right side
513,332.21x = 211,551,572,230.99 - Step 5: Solve for x
x = 211,551,572,230.99/513,332.21 - Step 6: Final answer
x = 412,114.36
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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.