Finding the Fourth Proportional to 997,681.55, 1,376,800.49 and 538,796.08
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Solution
The fourth proportional to 997,681.55, 1,376,800.49 and 538,796.08 is: 743,538.56
Step by Step Solution
- Step 1: Write the proportion equation
997,681.55 : 1,376,800.49 = 538,796.08 : x - Step 2: Convert to fraction form
997,681.55/1,376,800.49 = 538,796.08/x - Step 3: Cross multiply
997,681.55x = 1,376,800.49 × 538,796.08 - Step 4: Simplify right side
997,681.55x = 741,814,706,954.08 - Step 5: Solve for x
x = 741,814,706,954.08/997,681.55 - Step 6: Final answer
x = 743,538.56
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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.