Finding the Fourth Proportional to 1,107,834.13, 1,662,031.14 and 309,115.18
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Solution
The fourth proportional to 1,107,834.13, 1,662,031.14 and 309,115.18 is: 463,750.88
Step by Step Solution
- Step 1: Write the proportion equation
1,107,834.13 : 1,662,031.14 = 309,115.18 : x - Step 2: Convert to fraction form
1,107,834.13/1,662,031.14 = 309,115.18/x - Step 3: Cross multiply
1,107,834.13x = 1,662,031.14 × 309,115.18 - Step 4: Simplify right side
1,107,834.13x = 513,759,055,006.71 - Step 5: Solve for x
x = 513,759,055,006.71/1,107,834.13 - Step 6: Final answer
x = 463,750.88
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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.