Finding the Fourth Proportional to 939,536.98, 1,408,615.40 and 299,472.23
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Solution
The fourth proportional to 939,536.98, 1,408,615.40 and 299,472.23 is: 448,988.39
Step by Step Solution
- Step 1: Write the proportion equation
939,536.98 : 1,408,615.40 = 299,472.23 : x - Step 2: Convert to fraction form
939,536.98/1,408,615.40 = 299,472.23/x - Step 3: Cross multiply
939,536.98x = 1,408,615.40 × 299,472.23 - Step 4: Simplify right side
939,536.98x = 421,841,199,320.56 - Step 5: Solve for x
x = 421,841,199,320.56/939,536.98 - Step 6: Final answer
x = 448,988.39
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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.