Finding the Fourth Proportional to 688,444.76, 1,032,422.76 and 201,991.13
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Solution
The fourth proportional to 688,444.76, 1,032,422.76 and 201,991.13 is: 302,914.99
Step by Step Solution
- Step 1: Write the proportion equation
688,444.76 : 1,032,422.76 = 201,991.13 : x - Step 2: Convert to fraction form
688,444.76/1,032,422.76 = 201,991.13/x - Step 3: Cross multiply
688,444.76x = 1,032,422.76 × 201,991.13 - Step 4: Simplify right side
688,444.76x = 208,540,234,768.01 - Step 5: Solve for x
x = 208,540,234,768.01/688,444.76 - Step 6: Final answer
x = 302,914.99
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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.