Finding the Fourth Proportional to 616,259.80, 923,525.70 and 490,115.80
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Solution
The fourth proportional to 616,259.80, 923,525.70 and 490,115.80 is: 734,486.55
Step by Step Solution
- Step 1: Write the proportion equation
616,259.80 : 923,525.70 = 490,115.80 : x - Step 2: Convert to fraction form
616,259.80/923,525.70 = 490,115.80/x - Step 3: Cross multiply
616,259.80x = 923,525.70 × 490,115.80 - Step 4: Simplify right side
616,259.80x = 452,634,537,276.06 - Step 5: Solve for x
x = 452,634,537,276.06/616,259.80 - Step 6: Final answer
x = 734,486.55
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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.