Finding the Fourth Proportional to 649,577.06, 974,615.16 and 457,635.98
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Solution
The fourth proportional to 649,577.06, 974,615.16 and 457,635.98 is: 686,629.80
Step by Step Solution
- Step 1: Write the proportion equation
649,577.06 : 974,615.16 = 457,635.98 : x - Step 2: Convert to fraction form
649,577.06/974,615.16 = 457,635.98/x - Step 3: Cross multiply
649,577.06x = 974,615.16 × 457,635.98 - Step 4: Simplify right side
649,577.06x = 446,018,963,869.46 - Step 5: Solve for x
x = 446,018,963,869.46/649,577.06 - Step 6: Final answer
x = 686,629.80
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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.