Finding the Fourth Proportional to 953,765.47, 1,430,869.79 and 279,819.55
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Solution
The fourth proportional to 953,765.47, 1,430,869.79 and 279,819.55 is: 419,794.33
Step by Step Solution
- Step 1: Write the proportion equation
953,765.47 : 1,430,869.79 = 279,819.55 : x - Step 2: Convert to fraction form
953,765.47/1,430,869.79 = 279,819.55/x - Step 3: Cross multiply
953,765.47x = 1,430,869.79 × 279,819.55 - Step 4: Simplify right side
953,765.47x = 400,385,340,746.40 - Step 5: Solve for x
x = 400,385,340,746.40/953,765.47 - Step 6: Final answer
x = 419,794.33
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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.