Finding the Fourth Proportional to 991,242.33, 1,367,982.06 and 561,525.99
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Solution
The fourth proportional to 991,242.33, 1,367,982.06 and 561,525.99 is: 774,944.19
Step by Step Solution
- Step 1: Write the proportion equation
991,242.33 : 1,367,982.06 = 561,525.99 : x - Step 2: Convert to fraction form
991,242.33/1,367,982.06 = 561,525.99/x - Step 3: Cross multiply
991,242.33x = 1,367,982.06 × 561,525.99 - Step 4: Simplify right side
991,242.33x = 768,157,480,543.74 - Step 5: Solve for x
x = 768,157,480,543.74/991,242.33 - Step 6: Final answer
x = 774,944.19
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.