Finding the Fourth Proportional to 513,762.48, 709,134.84 and 298,944.18
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Solution
The fourth proportional to 513,762.48, 709,134.84 and 298,944.18 is: 412,625.95
Step by Step Solution
- Step 1: Write the proportion equation
513,762.48 : 709,134.84 = 298,944.18 : x - Step 2: Convert to fraction form
513,762.48/709,134.84 = 298,944.18/x - Step 3: Cross multiply
513,762.48x = 709,134.84 × 298,944.18 - Step 4: Simplify right side
513,762.48x = 211,991,733,253.23 - Step 5: Solve for x
x = 211,991,733,253.23/513,762.48 - Step 6: Final answer
x = 412,625.95
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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.