Finding the Fourth Proportional to 749,866.16, 1,125,061.68 and 217,419.14
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Solution
The fourth proportional to 749,866.16, 1,125,061.68 and 217,419.14 is: 326,204.81
Step by Step Solution
- Step 1: Write the proportion equation
749,866.16 : 1,125,061.68 = 217,419.14 : x - Step 2: Convert to fraction form
749,866.16/1,125,061.68 = 217,419.14/x - Step 3: Cross multiply
749,866.16x = 1,125,061.68 × 217,419.14 - Step 4: Simplify right side
749,866.16x = 244,609,946,540.53 - Step 5: Solve for x
x = 244,609,946,540.53/749,866.16 - Step 6: Final answer
x = 326,204.81
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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.