Finding the Fourth Proportional to 653,252.47, 978,167.97 and 427,903.99
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Solution
The fourth proportional to 653,252.47, 978,167.97 and 427,903.99 is: 640,735.39
Step by Step Solution
- Step 1: Write the proportion equation
653,252.47 : 978,167.97 = 427,903.99 : x - Step 2: Convert to fraction form
653,252.47/978,167.97 = 427,903.99/x - Step 3: Cross multiply
653,252.47x = 978,167.97 × 427,903.99 - Step 4: Simplify right side
653,252.47x = 418,561,977,253.20 - Step 5: Solve for x
x = 418,561,977,253.20/653,252.47 - Step 6: Final answer
x = 640,735.39
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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.