Finding the Fourth Proportional to 419,344.08, 628,746.12 and 305,533.68
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Solution
The fourth proportional to 419,344.08, 628,746.12 and 305,533.68 is: 458,103.80
Step by Step Solution
- Step 1: Write the proportion equation
419,344.08 : 628,746.12 = 305,533.68 : x - Step 2: Convert to fraction form
419,344.08/628,746.12 = 305,533.68/x - Step 3: Cross multiply
419,344.08x = 628,746.12 × 305,533.68 - Step 4: Simplify right side
419,344.08x = 192,103,115,829.32 - Step 5: Solve for x
x = 192,103,115,829.32/419,344.08 - Step 6: Final answer
x = 458,103.80
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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.