Finding the Fourth Proportional to 971,433.19, 1,340,583.65 and 541,740.48
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Solution
The fourth proportional to 971,433.19, 1,340,583.65 and 541,740.48 is: 747,605.12
Step by Step Solution
- Step 1: Write the proportion equation
971,433.19 : 1,340,583.65 = 541,740.48 : x - Step 2: Convert to fraction form
971,433.19/1,340,583.65 = 541,740.48/x - Step 3: Cross multiply
971,433.19x = 1,340,583.65 × 541,740.48 - Step 4: Simplify right side
971,433.19x = 726,248,430,031.15 - Step 5: Solve for x
x = 726,248,430,031.15/971,433.19 - Step 6: Final answer
x = 747,605.12
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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.