Finding the Fourth Proportional to 906,644.62, 1,251,162.66 and 498,737.68
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Solution
The fourth proportional to 906,644.62, 1,251,162.66 and 498,737.68 is: 688,254.19
Step by Step Solution
- Step 1: Write the proportion equation
906,644.62 : 1,251,162.66 = 498,737.68 : x - Step 2: Convert to fraction form
906,644.62/1,251,162.66 = 498,737.68/x - Step 3: Cross multiply
906,644.62x = 1,251,162.66 × 498,737.68 - Step 4: Simplify right side
906,644.62x = 624,001,962,351.03 - Step 5: Solve for x
x = 624,001,962,351.03/906,644.62 - Step 6: Final answer
x = 688,254.19
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.