Finding the Fourth Proportional to 507,655.09, 700,378.67 and 303,711.87
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Solution
The fourth proportional to 507,655.09, 700,378.67 and 303,711.87 is: 419,011.49
Step by Step Solution
- Step 1: Write the proportion equation
507,655.09 : 700,378.67 = 303,711.87 : x - Step 2: Convert to fraction form
507,655.09/700,378.67 = 303,711.87/x - Step 3: Cross multiply
507,655.09x = 700,378.67 × 303,711.87 - Step 4: Simplify right side
507,655.09x = 212,713,316,333.09 - Step 5: Solve for x
x = 212,713,316,333.09/507,655.09 - Step 6: Final answer
x = 419,011.49
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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.