Finding the Fourth Proportional to 859,862.86, 1,289,797.29 and 260,829.18
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Solution
The fourth proportional to 859,862.86, 1,289,797.29 and 260,829.18 is: 391,244.68
Step by Step Solution
- Step 1: Write the proportion equation
859,862.86 : 1,289,797.29 = 260,829.18 : x - Step 2: Convert to fraction form
859,862.86/1,289,797.29 = 260,829.18/x - Step 3: Cross multiply
859,862.86x = 1,289,797.29 × 260,829.18 - Step 4: Simplify right side
859,862.86x = 336,416,769,516.92 - Step 5: Solve for x
x = 336,416,769,516.92/859,862.86 - Step 6: Final answer
x = 391,244.68
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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.