Finding the Fourth Proportional to 977,197.68, 1,348,675.28 and 547,506.88
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Solution
The fourth proportional to 977,197.68, 1,348,675.28 and 547,506.88 is: 755,639.32
Step by Step Solution
- Step 1: Write the proportion equation
977,197.68 : 1,348,675.28 = 547,506.88 : x - Step 2: Convert to fraction form
977,197.68/1,348,675.28 = 547,506.88/x - Step 3: Cross multiply
977,197.68x = 1,348,675.28 × 547,506.88 - Step 4: Simplify right side
977,197.68x = 738,408,994,685.93 - Step 5: Solve for x
x = 738,408,994,685.93/977,197.68 - Step 6: Final answer
x = 755,639.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.