Finding the Fourth Proportional to 653,250.47, 978,164.98 and 427,901.99
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Solution
The fourth proportional to 653,250.47, 978,164.98 and 427,901.99 is: 640,732.40
Step by Step Solution
- Step 1: Write the proportion equation
653,250.47 : 978,164.98 = 427,901.99 : x - Step 2: Convert to fraction form
653,250.47/978,164.98 = 427,901.99/x - Step 3: Cross multiply
653,250.47x = 978,164.98 × 427,901.99 - Step 4: Simplify right side
653,250.47x = 418,558,735,529.73 - Step 5: Solve for x
x = 418,558,735,529.73/653,250.47 - Step 6: Final answer
x = 640,732.40
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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.