Finding the Fourth Proportional to 686,660.02, 1,029,779.64 and 474,789.44
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Solution
The fourth proportional to 686,660.02, 1,029,779.64 and 474,789.44 is: 712,038.69
Step by Step Solution
- Step 1: Write the proportion equation
686,660.02 : 1,029,779.64 = 474,789.44 : x - Step 2: Convert to fraction form
686,660.02/1,029,779.64 = 474,789.44/x - Step 3: Cross multiply
686,660.02x = 1,029,779.64 × 474,789.44 - Step 4: Simplify right side
686,660.02x = 488,928,498,599.00 - Step 5: Solve for x
x = 488,928,498,599.00/686,660.02 - Step 6: Final answer
x = 712,038.69
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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.