Finding the Fourth Proportional to 817,766.60, 1,226,901.05 and 418,687.62
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Solution
The fourth proportional to 817,766.60, 1,226,901.05 and 418,687.62 is: 628,160.02
Step by Step Solution
- Step 1: Write the proportion equation
817,766.60 : 1,226,901.05 = 418,687.62 : x - Step 2: Convert to fraction form
817,766.60/1,226,901.05 = 418,687.62/x - Step 3: Cross multiply
817,766.60x = 1,226,901.05 × 418,687.62 - Step 4: Simplify right side
817,766.60x = 513,688,278,506.56 - Step 5: Solve for x
x = 513,688,278,506.56/817,766.60 - Step 6: Final answer
x = 628,160.02
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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.