Finding the Fourth Proportional to 857,483.74, 1,285,925.10 and 351,898.75
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Solution
The fourth proportional to 857,483.74, 1,285,925.10 and 351,898.75 is: 527,724.80
Step by Step Solution
- Step 1: Write the proportion equation
857,483.74 : 1,285,925.10 = 351,898.75 : x - Step 2: Convert to fraction form
857,483.74/1,285,925.10 = 351,898.75/x - Step 3: Cross multiply
857,483.74x = 1,285,925.10 × 351,898.75 - Step 4: Simplify right side
857,483.74x = 452,515,435,283.63 - Step 5: Solve for x
x = 452,515,435,283.63/857,483.74 - Step 6: Final answer
x = 527,724.80
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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.