Finding the Fourth Proportional to 1,020,730.24, 1,531,423.20 and 310,895.68
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Solution
The fourth proportional to 1,020,730.24, 1,531,423.20 and 310,895.68 is: 466,443.37
Step by Step Solution
- Step 1: Write the proportion equation
1,020,730.24 : 1,531,423.20 = 310,895.68 : x - Step 2: Convert to fraction form
1,020,730.24/1,531,423.20 = 310,895.68/x - Step 3: Cross multiply
1,020,730.24x = 1,531,423.20 × 310,895.68 - Step 4: Simplify right side
1,020,730.24x = 476,112,857,131.78 - Step 5: Solve for x
x = 476,112,857,131.78/1,020,730.24 - Step 6: Final answer
x = 466,443.37
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.