Finding the Fourth Proportional to 803,485.17, 1,108,771.47 and 440,901.23
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Solution
The fourth proportional to 803,485.17, 1,108,771.47 and 440,901.23 is: 608,422.80
Step by Step Solution
- Step 1: Write the proportion equation
803,485.17 : 1,108,771.47 = 440,901.23 : x - Step 2: Convert to fraction form
803,485.17/1,108,771.47 = 440,901.23/x - Step 3: Cross multiply
803,485.17x = 1,108,771.47 × 440,901.23 - Step 4: Simplify right side
803,485.17x = 488,858,699,368.05 - Step 5: Solve for x
x = 488,858,699,368.05/803,485.17 - Step 6: Final answer
x = 608,422.80
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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.