Finding the Fourth Proportional to 791,276.13, 1,091,961.68 and 464,525.19
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Solution
The fourth proportional to 791,276.13, 1,091,961.68 and 464,525.19 is: 641,045.12
Step by Step Solution
- Step 1: Write the proportion equation
791,276.13 : 1,091,961.68 = 464,525.19 : x - Step 2: Convert to fraction form
791,276.13/1,091,961.68 = 464,525.19/x - Step 3: Cross multiply
791,276.13x = 1,091,961.68 × 464,525.19 - Step 4: Simplify right side
791,276.13x = 507,243,704,552.09 - Step 5: Solve for x
x = 507,243,704,552.09/791,276.13 - Step 6: Final answer
x = 641,045.12
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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.