Finding the Fourth Proportional to 686,656.02, 1,029,773.64 and 474,785.44
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Solution
The fourth proportional to 686,656.02, 1,029,773.64 and 474,785.44 is: 712,032.68
Step by Step Solution
- Step 1: Write the proportion equation
686,656.02 : 1,029,773.64 = 474,785.44 : x - Step 2: Convert to fraction form
686,656.02/1,029,773.64 = 474,785.44/x - Step 3: Cross multiply
686,656.02x = 1,029,773.64 × 474,785.44 - Step 4: Simplify right side
686,656.02x = 488,921,529,973.81 - Step 5: Solve for x
x = 488,921,529,973.81/686,656.02 - Step 6: Final answer
x = 712,032.68
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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.