Finding the Fourth Proportional to 1,046,487, 1,569,964.50 and 381,639
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Solution
The fourth proportional to 1,046,487, 1,569,964.50 and 381,639 is: 572,543.84
Step by Step Solution
- Step 1: Write the proportion equation
1,046,487 : 1,569,964.50 = 381,639 : x - Step 2: Convert to fraction form
1,046,487/1,569,964.50 = 381,639/x - Step 3: Cross multiply
1,046,487x = 1,569,964.50 × 381,639 - Step 4: Simplify right side
1,046,487x = 599,159,681,815.50 - Step 5: Solve for x
x = 599,159,681,815.50/1,046,487 - Step 6: Final answer
x = 572,543.84
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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.