Finding the Fourth Proportional to 912,286.34, 1,368,652.68 and 642,940
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Solution
The fourth proportional to 912,286.34, 1,368,652.68 and 642,940 is: 964,567.28
Step by Step Solution
- Step 1: Write the proportion equation
912,286.34 : 1,368,652.68 = 642,940 : x - Step 2: Convert to fraction form
912,286.34/1,368,652.68 = 642,940/x - Step 3: Cross multiply
912,286.34x = 1,368,652.68 × 642,940 - Step 4: Simplify right side
912,286.34x = 879,961,554,079.20 - Step 5: Solve for x
x = 879,961,554,079.20/912,286.34 - Step 6: Final answer
x = 964,567.28
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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.