Finding the Fourth Proportional to 665,671.44, 918,625.68 and 363,865.44
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Solution
The fourth proportional to 665,671.44, 918,625.68 and 363,865.44 is: 502,133.81
Step by Step Solution
- Step 1: Write the proportion equation
665,671.44 : 918,625.68 = 363,865.44 : x - Step 2: Convert to fraction form
665,671.44/918,625.68 = 363,865.44/x - Step 3: Cross multiply
665,671.44x = 918,625.68 × 363,865.44 - Step 4: Simplify right side
665,671.44x = 334,256,137,248.50 - Step 5: Solve for x
x = 334,256,137,248.50/665,671.44 - Step 6: Final answer
x = 502,133.81
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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.