Finding the Fourth Proportional to 784,309.92, 1,175,989.76 and 351,948.08
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Solution
The fourth proportional to 784,309.92, 1,175,989.76 and 351,948.08 is: 527,708.92
Step by Step Solution
- Step 1: Write the proportion equation
784,309.92 : 1,175,989.76 = 351,948.08 : x - Step 2: Convert to fraction form
784,309.92/1,175,989.76 = 351,948.08/x - Step 3: Cross multiply
784,309.92x = 1,175,989.76 × 351,948.08 - Step 4: Simplify right side
784,309.92x = 413,887,338,131.66 - Step 5: Solve for x
x = 413,887,338,131.66/784,309.92 - Step 6: Final answer
x = 527,708.92
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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.