Finding the Fourth Proportional to 709,798.28, 1,063,811.36 and 354,913.79
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Solution
The fourth proportional to 709,798.28, 1,063,811.36 and 354,913.79 is: 531,927.63
Step by Step Solution
- Step 1: Write the proportion equation
709,798.28 : 1,063,811.36 = 354,913.79 : x - Step 2: Convert to fraction form
709,798.28/1,063,811.36 = 354,913.79/x - Step 3: Cross multiply
709,798.28x = 1,063,811.36 × 354,913.79 - Step 4: Simplify right side
709,798.28x = 377,561,314,529.03 - Step 5: Solve for x
x = 377,561,314,529.03/709,798.28 - Step 6: Final answer
x = 531,927.63
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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.