Finding the Fourth Proportional to 652,125.70, 978,188.55 and 403,293.70
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Solution
The fourth proportional to 652,125.70, 978,188.55 and 403,293.70 is: 604,940.55
Step by Step Solution
- Step 1: Write the proportion equation
652,125.70 : 978,188.55 = 403,293.70 : x - Step 2: Convert to fraction form
652,125.70/978,188.55 = 403,293.70/x - Step 3: Cross multiply
652,125.70x = 978,188.55 × 403,293.70 - Step 4: Simplify right side
652,125.70x = 394,497,279,627.14 - Step 5: Solve for x
x = 394,497,279,627.14/652,125.70 - Step 6: Final answer
x = 604,940.55
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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.