Finding the Fourth Proportional to 668,927.99, 1,003,673.10 and 416,419.70
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Solution
The fourth proportional to 668,927.99, 1,003,673.10 and 416,419.70 is: 624,804.55
Step by Step Solution
- Step 1: Write the proportion equation
668,927.99 : 1,003,673.10 = 416,419.70 : x - Step 2: Convert to fraction form
668,927.99/1,003,673.10 = 416,419.70/x - Step 3: Cross multiply
668,927.99x = 1,003,673.10 × 416,419.70 - Step 4: Simplify right side
668,927.99x = 417,949,251,200.07 - Step 5: Solve for x
x = 417,949,251,200.07/668,927.99 - Step 6: Final answer
x = 624,804.55
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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.