Finding the Fourth Proportional to 598,930.20, 898,395.30 and 430,093.80
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Solution
The fourth proportional to 598,930.20, 898,395.30 and 430,093.80 is: 645,140.70
Step by Step Solution
- Step 1: Write the proportion equation
598,930.20 : 898,395.30 = 430,093.80 : x - Step 2: Convert to fraction form
598,930.20/898,395.30 = 430,093.80/x - Step 3: Cross multiply
598,930.20x = 898,395.30 × 430,093.80 - Step 4: Simplify right side
598,930.20x = 386,394,248,479.14 - Step 5: Solve for x
x = 386,394,248,479.14/598,930.20 - Step 6: Final answer
x = 645,140.70
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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.