Finding the Fourth Proportional to 652,305.70, 978,458.55 and 403,473.70
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Solution
The fourth proportional to 652,305.70, 978,458.55 and 403,473.70 is: 605,210.55
Step by Step Solution
- Step 1: Write the proportion equation
652,305.70 : 978,458.55 = 403,473.70 : x - Step 2: Convert to fraction form
652,305.70/978,458.55 = 403,473.70/x - Step 3: Cross multiply
652,305.70x = 978,458.55 × 403,473.70 - Step 4: Simplify right side
652,305.70x = 394,782,291,465.14 - Step 5: Solve for x
x = 394,782,291,465.14/652,305.70 - Step 6: Final answer
x = 605,210.55
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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.