Finding the Fourth Proportional to 909,124.51, 1,363,468.06 and 278,043.79
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Solution
The fourth proportional to 909,124.51, 1,363,468.06 and 278,043.79 is: 416,998.80
Step by Step Solution
- Step 1: Write the proportion equation
909,124.51 : 1,363,468.06 = 278,043.79 : x - Step 2: Convert to fraction form
909,124.51/1,363,468.06 = 278,043.79/x - Step 3: Cross multiply
909,124.51x = 1,363,468.06 × 278,043.79 - Step 4: Simplify right side
909,124.51x = 379,103,826,946.35 - Step 5: Solve for x
x = 379,103,826,946.35/909,124.51 - Step 6: Final answer
x = 416,998.80
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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.