Finding the Fourth Proportional to 992,633.68, 1,485,789.52 and 790,686.08
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Solution
The fourth proportional to 992,633.68, 1,485,789.52 and 790,686.08 is: 1,183,511.21
Step by Step Solution
- Step 1: Write the proportion equation
992,633.68 : 1,485,789.52 = 790,686.08 : x - Step 2: Convert to fraction form
992,633.68/1,485,789.52 = 790,686.08/x - Step 3: Cross multiply
992,633.68x = 1,485,789.52 × 790,686.08 - Step 4: Simplify right side
992,633.68x = 1,174,793,091,273.88 - Step 5: Solve for x
x = 1,174,793,091,273.88/992,633.68 - Step 6: Final answer
x = 1,183,511.21
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.