Finding the Fourth Proportional to 688,444.63, 1,032,422.57 and 201,991
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Solution
The fourth proportional to 688,444.63, 1,032,422.57 and 201,991 is: 302,914.80
Step by Step Solution
- Step 1: Write the proportion equation
688,444.63 : 1,032,422.57 = 201,991 : x - Step 2: Convert to fraction form
688,444.63/1,032,422.57 = 201,991/x - Step 3: Cross multiply
688,444.63x = 1,032,422.57 × 201,991 - Step 4: Simplify right side
688,444.63x = 208,540,067,336.87 - Step 5: Solve for x
x = 208,540,067,336.87/688,444.63 - Step 6: Final answer
x = 302,914.80
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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.