Finding the Fourth Proportional to 1,246,248, 1,869,687.28 and 347,689.09
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Solution
The fourth proportional to 1,246,248, 1,869,687.28 and 347,689.09 is: 521,621.59
Step by Step Solution
- Step 1: Write the proportion equation
1,246,248 : 1,869,687.28 = 347,689.09 : x - Step 2: Convert to fraction form
1,246,248/1,869,687.28 = 347,689.09/x - Step 3: Cross multiply
1,246,248x = 1,869,687.28 × 347,689.09 - Step 4: Simplify right side
1,246,248x = 650,069,868,967.78 - Step 5: Solve for x
x = 650,069,868,967.78/1,246,248 - Step 6: Final answer
x = 521,621.59
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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.