Finding the Fourth Proportional to 779,956.68, 1,076,347.34 and 457,672.13
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Solution
The fourth proportional to 779,956.68, 1,076,347.34 and 457,672.13 is: 631,591.72
Step by Step Solution
- Step 1: Write the proportion equation
779,956.68 : 1,076,347.34 = 457,672.13 : x - Step 2: Convert to fraction form
779,956.68/1,076,347.34 = 457,672.13/x - Step 3: Cross multiply
779,956.68x = 1,076,347.34 × 457,672.13 - Step 4: Simplify right side
779,956.68x = 492,614,179,717.63 - Step 5: Solve for x
x = 492,614,179,717.63/779,956.68 - Step 6: Final answer
x = 631,591.72
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.