Finding the Fourth Proportional to 473,573.01, 709,224.70 and 345,145.08
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Solution
The fourth proportional to 473,573.01, 709,224.70 and 345,145.08 is: 516,890.55
Step by Step Solution
- Step 1: Write the proportion equation
473,573.01 : 709,224.70 = 345,145.08 : x - Step 2: Convert to fraction form
473,573.01/709,224.70 = 345,145.08/x - Step 3: Cross multiply
473,573.01x = 709,224.70 × 345,145.08 - Step 4: Simplify right side
473,573.01x = 244,785,415,819.48 - Step 5: Solve for x
x = 244,785,415,819.48/473,573.01 - Step 6: Final answer
x = 516,890.55
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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.